build: Update imported module list from gnulib. * bootstrap.conf: Update imported module list from gnulib. * libgnu/Makefile.am: Auto-updated by gnulib-tool. * liboctave/link-deps.mk: Add FLOORF_LIBM to list of GNULIB_DEPS. * lo-mappers.h (xfloor): Change float version to forward to xfloor in lo-mappers.cc instead of being an inline function. * lo-mappers.c (xfloor): New function with float signature which calls gnulib::floorf. (xround) : Fix typo and call gnulib::roundf for float version of function. * file-ops.cc: Include "canonicalize.h" for access to gnulib::canonicalize_file_name.

gnulib = [git]git://git.sv.gnu.org/gnulib
libgui/qterminal = [git]https://code.google.com/p/qterminal/