[frogr] Fixed problem in configure.ac

[Mario Sanchez Prada <msanchez src gnome org>]

commit 48990629244d4bc8f187a9be1cda90076001d036
Author: Mario Sanchez Prada <msanchez igalia com>
Date:   Sat Jul 9 02:35:22 2011 +0200

    Fixed problem in configure.ac

 configure.ac |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 10965e4..39e6e0f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -115,8 +115,9 @@ else
    with_gtk=2.0
 fi
 
+GTK2_MIN_VERSION=2.16
 case "$with_gtk" in
-     2.0) GTK_MIN_VERSION=2.16
+     2.0) GTK_MIN_VERSION=$GTK2_MIN_VERSION
           GTK_API_VERSION=2.0
           ;;
      3.0) GTK_MIN_VERSION=3.0
@@ -135,7 +136,7 @@ if test "x$with_gtk" = "x3.0"; then
       GTK_CFLAGS=$GTK3_CFLAGS
       GTK_LIBS=$GTK3_LIBS
    else
-      GTK_MIN_VERSION=2.14
+      GTK_MIN_VERSION=$GTK2_MIN_VERSION
       GTK_API_VERSION=2.0
       with_gtk=2.0
    fi