[obv] Fix broken changelog entry

[Yao Qi]

"breakpoint.c" is missing during combine multiple changelog
entires into one.  Committed.

-- 
Yao (齐尧) 

Index: ChangeLog
===================================================================
RCS file: /cvs/src/src/gdb/ChangeLog,v
retrieving revision 1.13515
diff -u -r1.13515 ChangeLog
--- ChangeLog	14 Nov 2011 20:07:20 -0000	1.13515
+++ ChangeLog	15 Nov 2011 01:06:34 -0000
@@ -32,7 +32,8 @@
 	* target.c (update_current_target): Update.
 	* breakpoint.h (struct bp_location): Add comment on field
 	`duplicate'.
-	(should_be_inserted): Don't differentiate breakpoint and tracepoint.
+	* breakpoint.c (should_be_inserted): Don't differentiate breakpoint
+	and tracepoint.
 	(remove_breakpoints): Don't remove tracepoints.
 	(tracepoint_locations_match ): New.
 	(breakpoint_locations_match): Call it.