gettext

579e12bf - Add xerror-handler.

Add xerror-handler. * gettext-tools/src/xerror-handler.h: New file, based on gettext-tools/src/po-xerror.h. * gettext-tools/src/xerror-handler.c: New file, based on gettext-tools/src/po-xerror.c. * gettext-tools/src/Makefile.am (noinst_HEADERS): Add xerror-handler.h. (COMMON_SOURCE): Add xerror-handler.c. * gettext-tools/src/FILES: Update. * gettext-tools/woe32dll/gettextsrc-exports.c (textmode_xerror_handler_struct): New export.