yasm: merge fixes from upstream and remove warning suppression on win

DEPS

 # When adding a new dependency, please update the top-level .gitignore file
 # to list the dependency's destination directory.
 
 vars = {
   # Use this googlecode_url variable only if there is an internal mirror for it.
   # If you do not know, use the full path while defining your new deps entry.
   "googlecode_url": "http://%s.googlecode.com/svn",
   "sourceforge_url": "http://%(repo)s.svn.sourceforge.net/svnroot/%(repo)s",
   "webkit_trunk": "http://svn.webkit.org/repository/webkit/trunk",
   "nacl_trunk": "http://src.chromium.org/native_client/trunk",
@@ skipping 235 matching lines @@
     (Var("googlecode_url") % "libjingle") + "/trunk@" +
     Var("libjingle_revision"),
 
   "src/third_party/libsrtp":
     "/trunk/deps/third_party/libsrtp@123853",
 
   "src/third_party/speex":
     "/trunk/deps/third_party/speex@149334",
 
   "src/third_party/yasm/source/patched-yasm":
-    "/trunk/deps/third_party/yasm/patched-yasm@134927",
+    "/trunk/deps/third_party/yasm/patched-yasm@154697",
 
   "src/third_party/libjpeg_turbo":
     "/trunk/deps/third_party/libjpeg_turbo@149334",
 
   "src/third_party/flac":
     "/trunk/deps/third_party/flac@149334",
 
   "src/third_party/pyftpdlib/src":
     (Var("googlecode_url") % "pyftpdlib") + "/trunk@977",
 
@@ skipping 330 matching lines @@
     "pattern": ".",
     "action": ["python", "src/build/util/lastchange.py",
                "-o", "src/build/util/LASTCHANGE"],
   },
   {
     # A change to a .gyp, .gypi, or to GYP itself should run the generator.
     "pattern": ".",
     "action": ["python", "src/build/gyp_chromium"],
   },
 ]