Rename mount

native_client_sdk/src/examples/hello_nacl_mounts/example.dsc

-{
-  'TOOLS': ['newlib', 'glibc', 'pnacl', 'win'],
-  'TARGETS': [
-    {
-      'NAME' : 'hello_nacl_mounts',
-      'TYPE' : 'main',
-      'SOURCES' : [
-        'handlers.c',
-        'handlers.h',
-        'hello_nacl_mounts.c',
-        'hello_nacl_mounts.h',
-        'queue.c',
-        'queue.h',
-      ],
-      'LIBS': ['ppapi', 'pthread', 'nacl_mounts']
-    }
-  ],
-  'DATA': [
-    'Makefile',
-    'example.js'
-  ],
-  'DEST': 'examples',
-  'NAME': 'hello_nacl_mounts',
-  'TITLE': 'Hello, Nacl Mounts!',
-  'DESC': """
-The NaCl Mounts example demonstrates mapping standard FILE such as fopen,
-fread, fwrite into mounts by linking in the nacl_mounts library.  This allows
-developers to wrap Pepper API such as the File IO API or URL Loader into
-standard blocking calls.""",
-  'FOCUS': 'Using NaCl Mounts.',
-  'GROUP': 'Concepts'
-}