diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index ad99b615c22..89d8109bf40 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,7 @@
+2012-03-08  Jan Kratochvil  <jan.kratochvil@redhat.com>
+
+	* libunwind-frame.h (struct frame_unwind): New declaration.
+
 2012-03-08  Joel Brobecker  <brobecker@adacore.com>
 
 	* breakpoint.c (_initialize_breakpoint): Fix error in help of
diff --git a/gdb/libunwind-frame.h b/gdb/libunwind-frame.h
index a6b3c342b88..ea8a2a22a7e 100644
--- a/gdb/libunwind-frame.h
+++ b/gdb/libunwind-frame.h
@@ -23,6 +23,7 @@ struct frame_info;
 struct frame_id;
 struct regcache;
 struct gdbarch;
+struct frame_unwind;
 
 #ifndef LIBUNWIND_FRAME_H
 #define LIBUNWIND_FRAME_H 1