[grilo] vala: check for libvala-0.12 instead of vala-0.12

[Victor Manuel Jaquez Leal <vjaquez src gnome org>]

commit eeefbc017294d6bb234e9cf30690cb5c35414d0a
Author: Víctor Manuel Jáquez Leal <vjaquez igalia com>
Date:   Mon Oct 4 20:40:13 2010 +0200

    vala: check for libvala-0.12 instead of vala-0.12
    
    This is one of the risks to be living on the edge.
    
    Signed-off-by: Víctor Manuel Jáquez Leal <vjaquez igalia com>

 configure.ac |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 2fa5934..bbdbb3e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -140,8 +140,8 @@ AC_ARG_ENABLE([vala],
         [enable_vala=autodetect have_vala=yes])
 AC_MSG_RESULT([$enable_vala])
 if test "x$enable_vala" != "xno"; then
-        PKG_CHECK_EXISTS([ vala-0.12 ],
-                         [ valapkg="vala-0.12" ],
+        PKG_CHECK_EXISTS([ libvala-0.12 ],
+                         [ valapkg="libvala-0.12" ],
                          [ PKG_CHECK_EXISTS([ vala-0.10 ],
                                             [ valapkg="vala-0.10" ],
                                             [ PKG_CHECK_EXISTS([ vala-1.0 >= $VALA_REQS ],