Fix build on MIPS for libffi.  I haven't tested this yet because I
don't have an access on MIPS machines.  Will be tested by buildbot. :)
diff --git a/Misc/NEWS b/Misc/NEWS
index 26a3f87..406d5f3 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -156,6 +156,8 @@
 
 - Patch #1429775: Link extension modules with the shared libpython.
 
+- Fixed a libffi build problem on MIPS systems.
+
 C API
 -----