Update yasm to the same version currently used by Chromium.

third_party/yasm/CHROMIUM.diff

Index: third_party/yasm/CHROMIUM.diff
diff --git a/third_party/yasm/CHROMIUM.diff b/third_party/yasm/CHROMIUM.diff
index 764cbf738b85ce36f46f36d33aaf021feca7f0ee..80fd767292b1cdeda91522c887e8835bea48bd25 100644
--- a/third_party/yasm/CHROMIUM.diff
+++ b/third_party/yasm/CHROMIUM.diff
@@ -4,9 +4,7 @@
  /* version message */
  /*@observer@*/ static const char *version_msg[] = {
      PACKAGE_STRING,
-+#if !defined(DONT_EMBED_BUILD_METADATA) || defined(OFFICIAL_BUILD)
-     "Compiled on " __DATE__ ".",
-+#endif
+-    "Compiled on " __DATE__ ".",
      "Copyright (c) 2001-2010 Peter Johnson and other Yasm developers.",
      "Run yasm --license for licensing overview and summary."
  };
@@ -16,9 +14,7 @@
  /* version message */
  /*@observer@*/ static const char *version_msg[] = {
      PACKAGE_STRING,
-+#if !defined(DONT_EMBED_BUILD_METADATA) || defined(OFFICIAL_BUILD)
-     "Compiled on " __DATE__ ".",
-+#endif
+-    "Compiled on " __DATE__ ".",
      "Copyright (c) 2001-2011 Peter Johnson and other Yasm developers.",
      "Run yasm --license for licensing overview and summary."
  };