* gc.c (init_mark_stack): MEMZERO() receive type as 2nd argument instead

of size.
  Coverity Scan found this bug.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47483 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,9 @@
+Wed Sep 10 03:12:12 2014  CHIKANAGA Tomoyuki  <nagachika@ruby-lang.org>
+
+	* gc.c (init_mark_stack): MEMZERO() receive type as 2nd argument instead
+	  of size.
+	  Coverity Scan found this bug.
+
 Tue Sep  9 21:55:39 2014  Masaki Suketa <masaki.suketa@nifty.ne.jp>
 
 	* ext/win32ole/sample/excel2.rb: remove some commented-out code.

gc.c

@@ -3544,7 +3544,7 @@ init_mark_stack(mark_stack_t *stack)
 {
     int i;
 
-    MEMZERO(stack, sizeof(mark_stack_t), 1);
+    MEMZERO(stack, mark_stack_t, 1);
     stack->index = stack->limit = STACK_CHUNK_SIZE;
     stack->cache_size = 0;