[rygel] build: PKG_CHECK_CONFIG already does AC_SUBST

[Zeeshan Ali Khattak <zeeshanak src gnome org>]

commit 7156e07608659a75810ff1da402fb6001dd2df00
Author: Jens Georg <mail jensge org>
Date:   Sun Feb 20 01:52:11 2011 +0100

    build: PKG_CHECK_CONFIG already does AC_SUBST

 configure.ac |    2 --
 1 files changed, 0 insertions(+), 2 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 2474392..fa265ae 100644
--- a/configure.ac
+++ b/configure.ac
@@ -117,8 +117,6 @@ if test x$try_ui = xyes ; then
     dnl check for gtk
     PKG_CHECK_MODULES(GTK, gtk+-3.0 >= $GTK_REQUIRED,
       [
-        AC_SUBST(GTK_CFLAGS)
-        AC_SUBST(GTK_LIBS)
         if test x$enable_vala = xyes ; then
                 VALA_CHECK_PACKAGES([gtk+-3.0], [HAVE_GTK=yes])
         else