Add a missing hard_dependency to google_update.gyp, as it generates headers used by other targets.

BUG=none
TEST=Chromium.lkgr Win builder goes green

Review URL: http://codereview.chromium.org/9391008

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@121726 0039d316-1c4b-4281-b951-d872f2087c98

google_update/google_update.gyp

@@ -12,6 +12,9 @@
         '<(SHARED_INTERMEDIATE_DIR)/google_update/google_update_idl.h',
         '<(SHARED_INTERMEDIATE_DIR)/google_update/google_update_idl_i.c',
       ],
+      # This target exports a hard dependency because dependent targets may
+      # include google_update_idl.h, a generated header.
+      'hard_dependency': 1,
       'msvs_settings': {
         'VCMIDLTool': {
           'OutputDirectory': '<(SHARED_INTERMEDIATE_DIR)/google_update',