FYI: cannot compile x11-toolkits/gtksourceview on current

[Norikatsu Shigemura]

	I cannot compile x11-toolkits/gtksourceview on current.
	Maybe, by recently changing about gnu regex, this was broken.

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cc -DHAVE_CONFIG_H -I. -I. -I.. -DDATADIR=\"/usr/X11R6/share/gnome\" -DG_LOG_DOMAIN=\"GtkSourceView\" -DG_DISABLE_DEPRECATED -DGTK_DISABLE_DEPRECATED -DGDK_DISABLE_DEPRECATED -DGDK_PIXBUF_DISABLE_DEPRECATED -I.. -I. -Wall -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-sign-compare -Werror -I/usr/local/include/atk-1.0 -I/usr/local/include/glib-2.0 -I/usr/local/lib/glib-2.0/include -I/usr/local/include/libxml2 -I/usr/local/include -I/usr/local/include/libart-2.0 -I/usr/X11R6/include/gtk-2.0 -I/usr/X11R6/lib/gtk-2.0/include -I/usr/X11R6/include/pango-1.0 -I/usr/X11R6/include -I/usr/local/include/freetype2 -I/usr/X11R6/include/libgnomeprint-2.2 -I/usr/local/include -O -fno-ident -pipe -march=pentium3 -MT gtksourceregex.lo -MD -MP -MF .deps/gtksourceregex.Tpo -c gtksourceregex.c  -fPIC -DPIC -o .libs/gtksourceregex.lo
In file included from gtksourceregex.c:31:
/usr/include/gnuregex.h:31:2: #warning "<gnuregex.h> has been replaced by <gnu/regex.h>"
gmake[4]: *** [gtksourceregex.lo] Error 1
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	In /usr/include/gnuregex.h
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#ifdef __GNUC__
#warning "<gnuregex.h> has been replaced by <gnu/regex.h>"
#endif
#include <gnu/regex.h>
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	I don't know how to fix this problem.  I think -Werror should be removed.
	(or on current, gnuregex.h -> gnu/rege.h, or ...)
	I'm tired this fix:-).  So FYI:-(.