ed: fix commit 2ccc1e8

The patch was wrong because the prototype of
strcpy is different to the prototype of strlcpy
diff --git a/ed.c b/ed.c
index 82fb784..4b28848 100644
--- a/ed.c
+++ b/ed.c
@@ -611,8 +611,7 @@
 	curln = line2;
 	if (fclose(fp))
 		error("input/output error");
-	if (strcpy(savfname, fname, sizeof(savfname)) >= sizeof(savfname))
-		error("file name too long");
+	strcpy(savfname, fname);
 	modflag = 0;
 	curln = line;
 }