[gtk+] Bump the required introspection version

[Johan Dahlin <johan src gnome org>]

commit 957f50f5f0eed65345980549f4999fdaf00440a7
Author: Johan Dahlin <johan gnome org>
Date:   Mon Dec 14 21:50:47 2009 -0200

    Bump the required introspection version
    
    Makefile.introspection was added in 0.6.7

 configure.in |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.in b/configure.in
index 9e05c76..26d752d 100644
--- a/configure.in
+++ b/configure.in
@@ -1976,7 +1976,7 @@ fi
 # GObject introspection
 ##################################################
 
-GOBJECT_INTROSPECTION_CHECK([0.6.6])
+GOBJECT_INTROSPECTION_CHECK([0.6.7])
 
 ##################################################
 # Checks for gtk-doc and docbook-tools