[gthumb/ext] fix build problems with libunique and -DGTK_DISABLE_SINGLE_INCLUDES compiler flag

[Paolo Bacchilega <paobac src gnome org>]

commit e494be096231cc676cebf23cc4f28dddda6e8d1a
Author: Christian Spurk <mail code chriki de>
Date:   Sun Dec 6 23:20:23 2009 +0100

    fix build problems with libunique and -DGTK_DISABLE_SINGLE_INCLUDES compiler flag

 configure.ac |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index b94b9b8..a20ae34 100644
--- a/configure.ac
+++ b/configure.ac
@@ -33,6 +33,7 @@ CLUTTER_REQUIRED=1.0.0
 CLUTTER_GTK_REQUIRED=0.10.0
 GSTREAMER_REQUIRED=0.10
 OPENRAW_REQUIRED=0.0.8
+UNIQUE_REQUIRED=1.1.2
 
 dnl ===========================================================================
 
@@ -90,7 +91,7 @@ PKG_CHECK_MODULES(GTHUMB, [
 	gio-unix-2.0
 	gtk+-2.0 		>= $GTK_REQUIRED
 	gconf-2.0 		>= $GCONF_REQUIRED
-	unique-1.0
+	unique-1.0		>= $UNIQUE_REQUIRED
 ])
 AC_SUBST(GTHUMB_LIBS)
 AC_SUBST(GTHUMB_CFLAGS)