Index: base/shell/cmd/misc.c
===================================================================
--- base/shell/cmd/misc.c	(revision 59223)
+++ base/shell/cmd/misc.c	(working copy)
@@ -196,6 +196,7 @@
 	*arg = cmd_realloc (oldarg, (*ac + 2) * sizeof (LPTSTR));
 	if (NULL == *arg)
 	{
+		free(q);
 		*arg = oldarg;
 		return FALSE;
 	}