Let breakpad build with -Wall on OS X and Linux.

src/tools/mac/symupload/symupload.m

 // Copyright (c) 2006, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 // notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
@@ skipping 64 matching lines @@
     [moduleInfoScanner scanUpToString:@"\n" intoString:&moduleInfo];
     [parts addObject:moduleInfo];
   }
 
   [str release];
 
   return parts;
 }
 
 //=============================================================================
-static NSString *CompactIdentifier(NSString *uuid) {
-  NSMutableString *str = [NSMutableString stringWithString:uuid];
-  [str replaceOccurrencesOfString:@"-" withString:@"" options:0
-                            range:NSMakeRange(0, [str length])];
-  
-  return str;
-}
-
-//=============================================================================
 static void Start(Options *options) {
   NSURL *url = [NSURL URLWithString:options->uploadURLStr];
   HTTPMultipartUpload *ul = [[HTTPMultipartUpload alloc] initWithURL:url];
   NSMutableDictionary *parameters = [NSMutableDictionary dictionary];
   NSArray *moduleParts = ModuleDataForSymbolFile(options->symbolsPath);
   NSMutableString *compactedID =
     [NSMutableString stringWithString:[moduleParts objectAtIndex:3]];
   [compactedID replaceOccurrencesOfString:@"-" withString:@"" options:0
                                     range:NSMakeRange(0, [compactedID length])];
 
@@ skipping 79 matching lines @@
   NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
   Options options;
 
   bzero(&options, sizeof(Options));
   SetupOptions(argc, argv, &options);
   Start(&options);
 
   [pool release];
   return options.success ? 0 : 1;
 }