[cogl] build: fix make release-message find the sha256 file

[Robert Bragg <rbragg src gnome org>]

commit e4ef536c7a6f35bfc73b24241a9967073a48d6c3
Author: Robert Bragg <robert linux intel com>
Date:   Mon Sep 5 20:57:23 2011 +0100

    build: fix make release-message find the sha256 file
    
    the sha256 file for the release should be found under the build/
    directory not at the top of the repo.

 build/autotools/Makefile.am.release |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/build/autotools/Makefile.am.release b/build/autotools/Makefile.am.release
index c29533b..149dd93 100644
--- a/build/autotools/Makefile.am.release
+++ b/build/autotools/Makefile.am.release
@@ -86,7 +86,7 @@ release-message:
 	@echo ""
 	@echo "SHA256 Checksum:"
 	@echo ""
-	@cat $(top_builddir)/$(sha256_file)
+	@cat $(top_builddir)/build/$(sha256_file)
 	@echo ""
 	@echo "Additionally, a git clone of the source tree:"
 	@echo "  git clone git://git.gnome.org/cogl"