Remove extraneous semicolon.

(Silences compiler warning for Compaq C++ 6.5 on Tru64.)
diff --git a/Objects/obmalloc.c b/Objects/obmalloc.c
index 22481ad..95c0e87 100644
--- a/Objects/obmalloc.c
+++ b/Objects/obmalloc.c
@@ -260,7 +260,7 @@
 /*
  * This malloc lock
  */
-SIMPLELOCK_DECL(_malloc_lock);
+SIMPLELOCK_DECL(_malloc_lock)
 #define LOCK()		SIMPLELOCK_LOCK(_malloc_lock)
 #define UNLOCK()	SIMPLELOCK_UNLOCK(_malloc_lock)
 #define LOCK_INIT()	SIMPLELOCK_INIT(_malloc_lock)