[gucharmap] build: Fix the build without vala

[Christian Persch <chpe src gnome org>]

commit 7667d7c0b2ac76bb00257f5cabce3c2701f61016
Author: Christian Persch <chpe gnome org>
Date:   Tue Apr 24 20:59:12 2012 +0200

    build: Fix the build without vala

 configure.ac |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 74e8d0e..859655a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -233,8 +233,9 @@ GOBJECT_INTROSPECTION_CHECK([0.9.0])
 if test -z "$enable_vala"; then
   enable_vala=no
 fi
-# FIXMEchpe this looks bogus
-VAPIGEN_CHECK([0.16],[0.18])
+m4_ifdef([VAPIGEN_CHECK],
+  [VAPIGEN_CHECK([0.16],[0.18])],
+  [AM_CONDITIONAL([ENABLE_VAPIGEN],[false])])
 
 case "$with_gtk" in
   3.0) GUCHARMAP_GIR_VERSION=$GUCHARMAP_API_VERSION