[libgee] Enable vala for make distcheck

[Maciej Marcin Piechotka <mpiechotka src gnome org>]

commit 8da248092ef6f5a7de37f2dfe1a575212caa7a42
Author: Maciej Piechotka <uzytkownik2 gmail com>
Date:   Mon Mar 3 20:18:09 2014 +0100

    Enable vala for make distcheck

 Makefile.am |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/Makefile.am b/Makefile.am
index 5ecbad6..afecda8 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -1,6 +1,6 @@
 include $(top_srcdir)/Makefile.decl
 ACLOCAL_AMFLAGS = -I m4
-AM_DISTCHECK_CONFIGURE_FLAGS = --enable-introspection=no
+AM_DISTCHECK_CONFIGURE_FLAGS = --enable-introspection=no --enable-vala
 
 if ENABLE_DOC
 DOC_SUBDIR = \