Fix temp file leak. Patch by Thomas Thiriez. r=me

http://groups.google.com/group/google-breakpad-discuss/browse_thread/thread/42293e72537b554


git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@141 4c0a9323-5329-0410-9bdc-e9ce6186880e

src/common/mac/dump_syms.mm

@@ -166,6 +166,7 @@ static BOOL StringTailMatches(NSString *str, NSString *tail) {
   char buffer[PATH_MAX];
   snprintf(buffer, sizeof(buffer), "/tmp/dump_syms_filtXXXXX");
   int fd = mkstemp(buffer);
+  unlink(buffer);
   char nl = '\n';
   for (unsigned int i = 0; i < count; ++i) {
     const char *symbol = [[symbols objectAtIndex:i] UTF8String];