Fix several clang warnings in breakpad.

client/mac/handler/breakpad_nlist_64.cc

 /*
  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
  *
  * @APPLE_LICENSE_HEADER_START@
  * 
  * This file contains Original Code and/or Modifications of Original Code
  * as defined in and that are subject to the Apple Public Source License
  * Version 2.0 (the 'License'). You may not use this file except in
  * compliance with the License. Please obtain a copy of the License at
  * http://www.opensource.apple.com/apsl/ and read it before using this
@@ skipping 172 matching lines @@
     q->n_type = 0;
     q->n_value = 0;
     q->n_desc = 0;
     q->n_sect = 0;
     q->n_un.n_strx = 0;
   }
 
   struct exec buf;
   if (read(fd, (char *)&buf, sizeof(buf)) != sizeof(buf) ||
       (N_BADMAG(buf) && *((uint32_t *)&buf) != magic &&
-       NXSwapBigLongToHost(*((long *)&buf)) != FAT_MAGIC) &&
-      /* The following is the big-endian ppc64 check */
-      (*((uint32_t*)&buf)) != FAT_MAGIC) {
+        NXSwapBigLongToHost(*((long *)&buf)) != FAT_MAGIC &&
+       /* The following is the big-endian ppc64 check */
+       (*((uint32_t*)&buf)) != FAT_MAGIC)) {
     return -1;
   }
 
   /* Deal with fat file if necessary */
   unsigned arch_offset = 0;
   if (NXSwapBigLongToHost(*((long *)&buf)) == FAT_MAGIC ||
       /* The following is the big-endian ppc64 check */
       *((unsigned int *)&buf) == FAT_MAGIC) {
     /* Get host info */
     host_t host = mach_host_self();
@@ skipping 197 matching lines @@
         break;
       cont:           ;
       }
     }
     if (lseek(fd, savpos, SEEK_SET) == -1) {
       return -1;
     }
   }
   return nreq;
 }