gettext

ffb5a824 - gnulib-local: Pull more functions for libxml

gnulib-local: Pull more functions for libxml * gettext-tools/gnulib-lib/.gitignore: Ignore files brought by gnulib-tool. * gettext-tools/gnulib-tests/.gitignore: Likewise. * gnulib-local/modules/libxml (Depends-on): Add 'pow', 'log10', and 'fabs'.