maint: untabify and remove trailing whitespace from source files * bicg.m, gmres.m, pkg.m: Untabify and remove trailing whitespace. * libcruft/Makefile.am, libcruft/blas-xtra/cdotc3.f, libcruft/blas-xtra/cmatm3.f, libcruft/blas-xtra/ddot3.f, libcruft/blas-xtra/dmatm3.f, libcruft/blas-xtra/sdot3.f, libcruft/blas-xtra/smatm3.f, libcruft/blas-xtra/zdotc3.f, libcruft/blas-xtra/zmatm3.f, libcruft/lapack-xtra/crsf2csf.f, libcruft/lapack-xtra/zrsf2csf.f, liboctave/Array.cc, liboctave/DASPK-opts.in, liboctave/DASRT-opts.in, liboctave/DASSL-opts.in, liboctave/LSODE-opts.in, liboctave/Makefile.a,mliboctave/Quad-opts.in, liboctave/Sparse-perm-op-defs.h, scripts/Makefile.a,mscripts/deprecated/glpkmex.m, scripts/general/blkdiag.m, scripts/general/interp1.m, scripts/general/profshow.m, scripts/general/quadl.m, scripts/general/triplequad.m, scripts/help/__makeinfo__.m, scripts/io/strread.m, scripts/io/textread.m, scripts/io/textscan.m, scripts/linear-algebra/rank.m, scripts/miscellaneous/gzip.m, scripts/miscellaneous/private/__xzip__.m, scripts/miscellaneous/tempdir.m, scripts/miscellaneous/unpack.m, scripts/pkg/pkg.m, scripts/plot/allchild.m, scripts/plot/ancestor.m, scripts/plot/cla.m, scripts/plot/clf.m, scripts/plot/findall.m, scripts/plot/findobj.m, scripts/plot/gca.m, scripts/plot/gcf.m, scripts/plot/hggroup.m, scripts/plot/isfigure.m, scripts/plot/ishghandle.m, scripts/plot/legend.m, scripts/plot/line.m, scripts/plot/loglog.m, scripts/plot/patch.m, scripts/plot/print.m, scripts/plot/private/__quiver__.m, scripts/plot/private/__scatter__.m, scripts/plot/rectangle.m, scripts/plot/semilogx.m, scripts/plot/semilogy.m, scripts/plot/surface.m, scripts/plot/text.m, scripts/plot/title.m, scripts/plot/trisurf.m, scripts/plot/view.m, scripts/plot/whitebg.m, scripts/plot/xlabel.m, scripts/plot/xlim.m, scripts/plot/ylabel.m, scripts/plot/ylim.m, scripts/plot/zlabel.m, scripts/plot/zlim.m, scripts/polynomial/mkpp.m, scripts/polynomial/polygcd.m, scripts/polynomial/ppint.m, scripts/polynomial/ppjumps.m, scripts/polynomial/ppval.m, scripts/set/setxor.m, scripts/sparse/bicgstab.m, scripts/sparse/cgs.m, scripts/sparse/spconvert.m, scripts/specfun/nthroot.m, scripts/strings/strmatch.m, scripts/strings/untabify.m, scripts/testfun/demo.m, scripts/testfun/example.m, src/DLD-FUNCTIONS/filter.cc, src/DLD-FUNCTIONS/mgorth.cc, src/DLD-FUNCTIONS/quadcc.cc, src/DLD-FUNCTIONS/str2double.cc, src/Makefile.a,msrc/gl-render.cc, src/gl2ps-renderer.cc, src/graphics.cc, src/octave-config.cc.in, src/octave-config.in, src/ov-class.h, src/ov-fcn.h, src/profiler.cc, src/profiler.h, src/pt-binop.cc, src/pt-unop.cc, src/symtab.cc, src/txt-eng-ft.cc: Remove trailing whitespace.

--- a/scripts/polynomial/mkpp.m
+++ b/scripts/polynomial/mkpp.m
@@ -22,21 +22,21 @@
 ##
 ## Construct a piece-wise polynomial (pp) structure from sample points
 ## @var{breaks} and coefficients @var{coefs}.  @var{breaks} must be a vector of
-## strictly increasing values. The number of intervals is given by 
+## strictly increasing values. The number of intervals is given by
 ## @code{@var{ni} = length (@var{breaks}) - 1}.
-## When @var{m} is the polynomial order @var{coefs} must be of 
+## When @var{m} is the polynomial order @var{coefs} must be of
 ## size: @var{ni} x @var{m} + 1.
 ##
 ## The i-th row of @var{coefs},
 ## @code{@var{coefs} (@var{i},:)}, contains the coefficients for the polynomial
-## over the @var{i}-th interval, ordered from highest (@var{m}) to 
+## over the @var{i}-th interval, ordered from highest (@var{m}) to
 ## lowest (@var{0}).
 ##
 ## @var{coefs} may also be a multi-dimensional array, specifying a vector-valued
 ## or array-valued polynomial. In that case the polynomial order is defined
 ## by the length of the last dimension of @var{coefs}.
 ## The size of first dimension(s) are given by the scalar or
-## vector @var{d}. If @var{d} is not given it is set to @code{1}. 
+## vector @var{d}. If @var{d} is not given it is set to @code{1}.
 ## In any case @var{coefs} is reshaped to a 2d matrix of
 ## size @code{[@var{ni}*prod(@var{d} @var{m})] }
 ##
@@ -72,7 +72,7 @@
   if (nargin == 3)
     pp.dim = d;
     pp.order /= prod (d);
-  endif 
+  endif
 
   dim_vec = [pp.pieces * prod(pp.dim), pp.order];
   pp.coefs = reshape (P, dim_vec);