[NaCl SDK] A bunch of spelling fixes.

native_client_sdk/src/libraries/nacl_io/mount_mem.cc

 /* Copyright (c) 2012 The Chromium Authors. All rights reserved.
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 #include "nacl_io/mount_mem.h"
 
 #include <errno.h>
 #include <fcntl.h>
 #include <string>
 
@@ skipping 97 matching lines @@
   MountNode* node = FindNode(path);
 
   if (NULL == node) {
     // Now first find the parent directory to see if we can add it
     MountNode* parent = FindNode(path.Parent(), S_IFDIR);
     if (NULL == parent) return NULL;
 
     // If the node does not exist and we can't create it, fail
     if ((mode & O_CREAT) == 0) return NULL;
 
-    // Otherwise, create it with a single refernece
+    // Otherwise, create it with a single reference
     mode = OpenModeToPermission(mode);
     node = AllocateData(mode);
     if (NULL == node) return NULL;
 
     if (parent->AddChild(path.Basename(), node) == -1) {
       // Or if it fails, release it
       node->Release();
       return NULL;
     }
     return node;
   }
 
   // If we were expected to create it exclusively, fail
   if (mode & O_EXCL) {
     errno = EEXIST;
     return NULL;
   }
 
-  // Verify we got the requested permisions.
+  // Verify we got the requested permissions.
   int req_mode = OpenModeToPermission(mode);
   int obj_mode = node->GetMode() & OpenModeToPermission(O_RDWR);
   if ((obj_mode & req_mode) != req_mode) {
     errno = EACCES;
     return NULL;
   }
 
   // We opened it, so ref count it before passing it back.
   node->Acquire();
   return node;
@@ skipping 94 matching lines @@
   if (file_only && child->IsaDir()) {
     errno = EISDIR;
     return -1;
   }
   if (remove_dir && child->ChildCount() > 0) {
     errno = ENOTEMPTY;
     return -1;
   }
   return parent->RemoveChild(path.Basename());
 }