build: Do not AC_REQUIRE AM_PROG_VALAC

This ran the macro independently whether --enable-vala was supplied or
not.

diff --git a/m4/rygel.m4 b/m4/rygel.m4
index 346ff12..e264ee7 100644 (file)
--- 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])