[gconf-editor] build: fix a typo

[Cosimo Cecchi <cosimoc src gnome org>]

commit b1820f2e73a599185b29ea5b541dc17d746ed327
Author: Cosimo Cecchi <cosimoc gnome org>
Date:   Mon Mar 7 17:49:01 2011 -0500

    build: fix a typo
    
    https://bugzilla.gnome.org/show_bug.cgi?id=644160

 configure.in |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.in b/configure.in
index 96300d2..c929e3d 100644
--- a/configure.in
+++ b/configure.in
@@ -33,7 +33,7 @@ GTK_REQUIRED=3.0.0
 
 PKG_CHECK_MODULES(GCONF_EDITOR,
 		  gconf-2.0 >= 2.9.2
-		  gtk+-3.0 >= GTK_REQUIRED)
+		  gtk+-3.0 >= $GTK_REQUIRED)
 
 AC_PATH_PROG(GLIB_GENMARSHAL, glib-genmarshal)