Bug 391485 - memory leak in nsToolkitProfileService::Flush

p=brian.lu@sun.com (Boying Lu)
r=benjamin@smedbergs.us (Benjamin Smedberg)
a=bzbarsky@mit.edu (Boris Zbarsky)

toolkit/profile/src/nsToolkitProfileService.cpp

@@ -763,8 +763,8 @@ nsToolkitProfileService::Flush()
         ++pCount;
 
     PRUint32 length;
+    nsAutoArrayPtr<char> buffer (new char[100+MAXPATHLEN*pCount]);
 
-    char* buffer = (char*) malloc(100 + MAXPATHLEN * pCount);
     NS_ENSURE_TRUE(buffer, NS_ERROR_OUT_OF_MEMORY);
 
     char *end = buffer;