Fix nosnap sarialization test failure (again)

TBR=hpayer@chromium.org

Review URL: https://codereview.chromium.org/16871002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15098 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/spaces.cc

@@ -1045,7 +1045,7 @@ intptr_t PagedSpace::SizeOfFirstPage() {
       size = 16 * kPointerSize * KB;
       break;
     case PROPERTY_CELL_SPACE:
-      size = 8 * kPointerSize * KB;
+      size = 16 * kPointerSize * KB;
       break;
     case CODE_SPACE:
       if (heap()->isolate()->code_range()->exists()) {