[libchamplain] Allow debian's lenny gtk version

[Pierre-Luc Beaudoin <plbeaudoin src gnome org>]

commit 8c9b1fb029cbeda1efd584a631e1e98eb3473c0d
Author: Emmanuel Rodriguez <emmanuel rodriguez gmail com>
Date:   Sun Aug 2 22:47:07 2009 +0200

    Allow debian's lenny gtk version

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 65eed15..8ba205e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -104,7 +104,7 @@ if test x$enable_gtk = xyes; then
   AC_SUBST(GTK_DEPS_CFLAGS)
   AC_SUBST(GTK_DEPS_LIBS)
   PKG_CHECK_MODULES(GTK_DEPS,
-    [   gtk+-2.0 >= 2.14
+    [   gtk+-2.0 >= 2.12
         clutter-gtk-0.8 >= 0.8
     ]
   )