Roll usrcstplib -> r9048.

DEPS

 # This file is used to manage the dependencies of the Chromium src repo. It is
 # used by gclient to determine what version of each dependency to check out, and
 # where.
 #
 # For more information, please refer to the official documentation:
 #   https://sites.google.com/a/chromium.org/dev/developers/how-tos/get-the-code
 #
 # When adding a new dependency, please update the top-level .gitignore file
 # to list the dependency's destination directory.
 #
@@ skipping 205 matching lines @@
   'src/third_party/libvpx':
    Var('chromium_git') + '/chromium/deps/libvpx.git' + '@' +  Var('libvpx_revision'),
 
   'src/third_party/ffmpeg':
    Var('chromium_git') + '/chromium/third_party/ffmpeg.git' + '@' + '4bc3dc1af71c98bb257fba5e442303f68b4ff8fc',
 
   'src/third_party/libjingle/source/talk':
     Var('chromium_git') + '/external/webrtc/trunk/talk.git' + '@' + '70d23c7ec5c61154de089cd01831c3ae074f95b5',
 
   'src/third_party/usrsctp/usrsctplib':
-    Var('chromium_git') + '/external/usrsctplib.git' + '@' + 'a11b3c55b730332ac33e9a81d053aca3bf813b93',
+    Var('chromium_git') + '/external/usrsctplib.git' + '@' + '7accb99da6264405fd546d98af91e4f2969002c5',
 
   'src/third_party/libsrtp':
    Var('chromium_git') + '/chromium/deps/libsrtp.git' + '@' + '98284c8600c73812ff4716a6ea157d1e11d417dc',
 
   'src/third_party/yasm/source/patched-yasm':
    Var('chromium_git') + '/chromium/deps/yasm/patched-yasm.git' + '@' + 'c960eb11ccda80b10ed50be39df4f0663b371d1d',
 
   'src/third_party/libjpeg_turbo':
    Var('chromium_git') + '/chromium/deps/libjpeg_turbo.git' + '@' + '034e9a9747e0983bc19808ea70e469bc8342081f',
 
@@ skipping 558 matching lines @@
     # corresponding .py files have already been deleted.
     'name': 'remove_stale_pyc_files',
     'pattern': 'src/tools/.*\\.py',
     'action': [
         'python',
         'src/tools/remove_stale_pyc_files.py',
         'src/tools',
     ],
   },
 ]