[gom] build: Fix build for srcdir != builddir

[Bastien Nocera <hadess src gnome org>]

commit 83320b3565e5109b90c118d6972c0d53ebcbf6b4
Author: Jonathon Jongsma <jjongsma redhat com>
Date:   Thu May 8 13:37:05 2014 -0500

    build: Fix build for srcdir != builddir
    
    Find generated pkg-config file in the build dir
    
    https://bugzilla.gnome.org/show_bug.cgi?id=729830

 data/Makefile.include |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/data/Makefile.include b/data/Makefile.include
index ac47dba..169a7fc 100644
--- a/data/Makefile.include
+++ b/data/Makefile.include
@@ -1,3 +1,3 @@
 pkgconfigdir = $(libdir)/pkgconfig
 pkgconfig_DATA =
-pkgconfig_DATA += $(top_srcdir)/data/gom-1.0.pc
+pkgconfig_DATA += $(top_builddir)/data/gom-1.0.pc