wscons: free size

[Anton Lindqvist]

Comments? OK?

Index: dev/wscons/wsevent.c
===================================================================
RCS file: /cvs/src/sys/dev/wscons/wsevent.c,v
retrieving revision 1.18
diff -u -p -r1.18 wsevent.c
--- dev/wscons/wsevent.c        19 Nov 2018 19:19:24 -0000      1.18
+++ dev/wscons/wsevent.c        1 Feb 2019 07:16:03 -0000
@@ -127,7 +127,7 @@ wsevent_fini(struct wseventvar *ev)
 #endif
                return;
        }
-       free(ev->q, M_DEVBUF, 0);
+       free(ev->q, M_DEVBUF, WSEVENT_QSIZE * sizeof(struct wscons_event));
        ev->q = NULL;
 
        sigio_free(&ev->sigio);