Fix cpplint's whitespace warnings.

Change-Id: I16b69d773e59b49e8e30227b5aa5cb1959a8930f
diff --git a/src/macros.h b/src/macros.h
index f016f9e..88c2416 100644
--- a/src/macros.h
+++ b/src/macros.h
@@ -110,15 +110,12 @@
 // where a pointer is 4 bytes, this means all pointers to a type whose
 // size is 3 or greater than 4 will be (righteously) rejected.
 #define ARRAYSIZE_UNSAFE(a) \
-  ((sizeof(a) / sizeof(*(a))) / \
-   static_cast<size_t>(!(sizeof(a) % sizeof(*(a)))))
+  ((sizeof(a) / sizeof(*(a))) / static_cast<size_t>(!(sizeof(a) % sizeof(*(a)))))
 
 #define SIZEOF_MEMBER(t, f) sizeof(((t*) 4096)->f)
 
-#define OFFSETOF_MEMBER(t, f)         \
-  (reinterpret_cast<char*>(           \
-     &reinterpret_cast<t*>(16)->f) -  \
-   reinterpret_cast<char*>(16))
+#define OFFSETOF_MEMBER(t, f) \
+  (reinterpret_cast<char*>(&reinterpret_cast<t*>(16)->f) - reinterpret_cast<char*>(16))
 
 #define OFFSETOF_VOLATILE_MEMBER(t, f) \
   (reinterpret_cast<volatile char*>(&reinterpret_cast<t*>(16)->f) - reinterpret_cast<volatile char*>(16))