Fix presubmit error introduced by r9767.

TBR=erik.corry@gmail.com

Review URL: http://codereview.chromium.org/8383031

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9770 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/checks.h

@@ -65,7 +65,7 @@ static inline void CheckHelper(const char* file,
 // prints a message to stderr and aborts.
 #define CHECK(condition) do {                                             \
     if (!(condition)) CheckHelper(__FILE__, __LINE__, #condition, false); \
-  } while(0)
+  } while (0)
 
 
 // Helper function used by the CHECK_EQ function when given int