import http://sourceware.org/ml/libc-ports/2007-12/msg00000.html

Upstream-Status: Pending

Index: git/bits/stdio-lock.h
===================================================================
--- git.orig/bits/stdio-lock.h	2014-08-29 10:33:57.960070587 -0700
+++ git/bits/stdio-lock.h	2014-08-29 10:33:57.952070587 -0700
@@ -49,6 +49,8 @@
   _IO_cleanup_region_start ((void (*) (void *)) _IO_funlockfile, (_fp));      \
   _IO_flockfile (_fp)
 
+# define _IO_acquire_lock_clear_flags2(_fp) _IO_acquire_lock (_fp)
+
 # define _IO_release_lock(_fp) \
   _IO_funlockfile (_fp);						      \
   _IO_cleanup_region_end (0)