detect libintl static library correctly in configure

Signed-off-by: Rafaël Carré <funman@videolan.org>
(cherry picked from commit 562dd63b)
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

contrib/src/gettext/rules.mak

@@ -48,6 +48,10 @@ endif
 # Work around another non-sense of autoconf.
 ifdef HAVE_WIN32
 	(cd $(PREFIX)/include; sed -i.orig '314 c #if 0' libintl.h)
+endif
+ifdef HAVE_MACOSX
+	# detect libintl correctly in configure for static library
+	(cd $(PREFIX)/share/aclocal; sed -i.orig  '184s/$$LIBINTL/$$LIBINTL $$INTL_MACOSX_LIBS/' gettext.m4)
 endif
 	touch $@