maint: Don't use space between 'args' and '(' when doing indexing. * libinterp/corefcn/__contourc__.cc, libinterp/corefcn/__pchip_deriv__.cc, libinterp/corefcn/besselj.cc, libinterp/corefcn/bsxfun.cc, libinterp/corefcn/cellfun.cc, libinterp/corefcn/data.cc, libinterp/corefcn/dlmread.cc, libinterp/corefcn/file-io.cc, libinterp/corefcn/graphics.cc, libinterp/corefcn/help.cc, libinterp/corefcn/lu.cc, libinterp/corefcn/matrix_type.cc, libinterp/corefcn/pr-output.cc, libinterp/corefcn/sparse.cc, libinterp/corefcn/strfns.cc, libinterp/corefcn/syscalls.cc, libinterp/corefcn/tril.cc: maint: Don't use space between 'args' and '(' when indexing.

--- a/libinterp/corefcn/lu.cc
+++ b/libinterp/corefcn/lu.cc
@@ -158,7 +158,7 @@
   int n = 1;
   while (n < nargin && ! error_state)
     {
-      if (args (n).is_string ())
+      if (args(n).is_string ())
         {
           std::string tmp = args(n++).string_value ();