Index: google-perftools-1.7/src/google/malloc_hook_c.h
===================================================================
--- google-perftools-1.7.orig/src/google/malloc_hook_c.h
+++ google-perftools-1.7/src/google/malloc_hook_c.h
@@ -40,7 +40,7 @@
 #include <stddef.h>
 #include <sys/types.h>
 
-// Annoying stuff for windows -- makes sure clients can import these functions
+/* Annoying stuff for windows -- makes sure clients can import these functions */
 #ifndef PERFTOOLS_DLL_DECL
 # ifdef _WIN32
 #   define PERFTOOLS_DLL_DECL  __declspec(dllimport)