mothra: fix a few errors in previous patch

- nil check pl_blue allocation, and don't do it every time pl_rtdraw is called
- fix re-adding previously removed flushimage calls
- correct format for pointer
- sysfatal in pl_drawinit on error

1 files changed, 1 insertions, 1 deletions

diff --git a/sys/src/cmd/mothra/libpanel/textwin.c b/sys/src/cmd/mothra/libpanel/textwin.c
index f999867aa..bb00eff0d 100644
--- a/sys/src/cmd/mothra/libpanel/textwin.c
+++ b/sys/src/cmd/mothra/libpanel/textwin.c
@@ -136,7 +136,7 @@ void tw_draw(Textwin *t, int first, int last){
 	er=t->text+last;
 	for(r=t->text+first,lp=t->loc+(first-t->top);r!=er;r++,lp++){
 		if(lp->y+t->hgt>t->r.max.y){
-			fprint(2, "chr %C, index %lld of %d, loc %d %d, off bottom\n",
+			fprint(2, "chr %C, index %zd of %d, loc %d %d, off bottom\n",
 				*r, lp-t->loc, t->bot-t->top, lp->x, lp->y);
 			return;
 		}