[rygel] build: Do not AC_REQUIRE AM_PROG_VALAC

[Jens Georg <jensgeorg src gnome org>]

commit 8acdd5dd06127b273b31f5843f29658af36c5b2a
Author: Jens Georg <mail jensge org>
Date:   Tue Sep 6 17:18:47 2011 +0200

    build: Do not AC_REQUIRE AM_PROG_VALAC
    
    This ran the macro independently whether --enable-vala was supplied or
    not.

 m4/rygel.m4 |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/m4/rygel.m4 b/m4/rygel.m4
index 346ff12..e264ee7 100644
--- a/m4/rygel.m4
+++ b/m4/rygel.m4
@@ -58,7 +58,7 @@ AC_DEFUN([RYGEL_ADD_PLUGIN],
 ])
 
 AC_DEFUN([RYGEL_CHECK_VALA],
-[AC_REQUIRE([AM_PROG_VALAC])[]dnl
+[
     AC_ARG_ENABLE([vala],
         [AS_HELP_STRING([--enable-vala],[enable checks for vala])],,
             [enable_vala=no])