Changed the revision number of libjingle to r24.

Review URL: http://codereview.chromium.org/2921004
Patch from Ahmad Sharif <asharif@chromium.org>.

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@52089 0039d316-1c4b-4281-b951-d872f2087c98

DEPS

@@ -8,7 +8,7 @@ vars = {
   "swig_revision": "40423",
   "nacl_revision": "2631",
   "libvpx_revision": "50313",
-  "libjingle_revision": "21",
+  "libjingle_revision": "24",
 }
 
 deps = {

third_party/libjingle/libjingle.gyp

@@ -381,6 +381,10 @@
         'source/talk/p2p/base/sessionid.h',
         'source/talk/p2p/base/sessionmanager.cc',
         'source/talk/p2p/base/sessionmanager.h',
+        'source/talk/p2p/base/sessionmessages.cc',
+        'source/talk/p2p/base/sessionmessages.h',
+        'source/talk/p2p/base/parsing.cc',
+        'source/talk/p2p/base/parsing.h',
         'source/talk/p2p/base/stun.cc',
         'source/talk/p2p/base/stun.h',
         'source/talk/p2p/base/stunport.cc',