Correct the location of snapshot.cc in v8.gyp.

Review URL: http://codereview.chromium.org/155219


git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@2393 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

tools/gyp/v8.gyp

@@ -154,7 +154,7 @@
       ],
       'sources': [
         '<(INTERMEDIATE_DIR)/libraries-empty.cc',
-        '../../src/snapshot.cc',
+        '<(INTERMEDIATE_DIR)/snapshot.cc',
       ],
       'actions': [
         {