Renamed a variable and removed two statements that were commented out.

git-svn-id: svn://svn.valgrind.org/valgrind/trunk@8880 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/drd/drd_clientobj.h b/drd/drd_clientobj.h
index f9c9446..1bfdd93 100644
--- a/drd/drd_clientobj.h
+++ b/drd/drd_clientobj.h
@@ -89,7 +89,8 @@
   ObjType     type;
   void        (*cleanup)(union drd_clientobj*);
   ExeContext* first_observed_at;
-  UInt        initial_value;     // Value assigned through sem_init().
+  UInt        waits_to_skip;     // Number of sem_wait() calls to skip
+                                 // (due to the value assigned by sem_init()).
   UInt        value;             // Semaphore value.
   UWord       waiters;           // Number of threads inside sem_wait().
   DrdThreadId last_sem_post_tid; // Thread ID associated with last sem_post().