fix bug in acme Edit command that caused crash
if you run acme, win, and then Edit X ,d
in a tag other than the win tag


Reference: /n/sources/patch/applied/acme-elog
Date: Sun Jun  1 15:16:45 CES 2008
Signed-off-by: rsc@swtch.com

--- /sys/src/cmd/acme/elog.c	Sun Jun  1 15:16:15 2008
+++ /sys/src/cmd/acme/elog.c	Sun Jun  1 15:16:15 2008
@@ -221,6 +221,7 @@
 	uint tq0, tq1;
 	Buffer *log;
 	Text *t;
+	int owner;
 
 	elogflush(f);
 	log = f->elogbuf;
@@ -229,6 +230,13 @@
 	buf = fbufalloc();
 	mod = FALSE;
 
+	owner = 0;
+	if(t->w){
+		owner = t->w->owner;
+		if(owner == 0)
+			t->w->owner = 'E';
+	}
+
 	/*
 	 * The edit commands have already updated the selection in t->q0, t->q1,
 	 * but using coordinates relative to the unmodified buffer.  As we apply the log,
@@ -339,4 +347,7 @@
 		t->q1 = min(t->q1, f->nc);
 		t->q0 = min(t->q0, t->q1);
 	}
+
+	if(t->w)
+		t->w->owner = owner;
 }