Fix compiler errors on gcc 4.6.3 due to mismatched format strings and integer types.
Fix compiler errors on gcc 4.6.3 due to mismatched format strings
and integer types.


crowell/modpagespeed_tmp,crowell/modpagespeed_tmp,crowell/modpagespeed_tmp,crowell/modpagespeed_tmp,crowell/modpagespeed_tmp,crowell/modpagespeed_tmp,crowell/modpagespeed_tmp