Bump old pointer space size.

TBR=mstarzinger@chromium.org
BUG=

Review URL: https://codereview.chromium.org/25479003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@17053 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/spaces.cc

@@ -1056,7 +1056,7 @@ intptr_t PagedSpace::SizeOfFirstPage() {
   int size = 0;
   switch (identity()) {
     case OLD_POINTER_SPACE:
-      size = 64 * kPointerSize * KB;
+      size = 72 * kPointerSize * KB;
       break;
     case OLD_DATA_SPACE:
       size = 192 * KB;