patched for building on Solaris.  Potentially send upstream

--- gst-plugins-good-1.4.5/common/m4/gst-gettext.m4	2014-07-21 01:36:35.000000000 -0700
+++ gst-plugins-good-1.4.5/common/m4/gst-gettext.m4	2015-06-02 11:14:05.097478233 -0700
@@ -16,7 +16,7 @@
 
   dnl make sure po/Makevars is kept in sync with GETTEXT_PACKAGE
   if test -e "${srcdir}/po/Makevars"; then
-    if ! grep -e "$1" "${srcdir}/po/Makevars"; then
+    if ! "$GREP" -e "$1" "${srcdir}/po/Makevars"; then
       AC_MSG_ERROR([DOMAIN in po/Makevars does not match GETTEXT_PACKAGE $1])
     fi
   fi