[giggle] configure.ac: Fix typo

[Javier JardÃn <jjardon src gnome org>]

commit 039ff997774995df7420f97f7a08fc2a33cac7fc
Author: Javier JardÃn <jjardon gnome org>
Date:   Mon Oct 24 13:46:38 2011 +0100

    configure.ac: Fix typo

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 78992ea..07f5b7b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -57,7 +57,7 @@ PKG_CHECK_MODULES(GIGGLE, [
         glib-2.0          >= $GLIB_REQUIRED_VERSION
         gthread-2.0       >= $GLIB_REQUIRED_VERSION
         gdk-pixbuf-2.0    >= $GDK_PIXBUF_REQUIRED_VERSION
-        gdk-2.0           >= $GTK_REQUIRED_VERSION
+        gdk-3.0           >= $GTK_REQUIRED_VERSION
         gtk+-3.0          >= $GTK_REQUIRED_VERSION
         gtksourceview-3.0 >= $GTKSOURCE_REQUIRED_VERSION
 ])