in titlebar(), handle VERLEN's being a UTF-8 string

git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@2753 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

ChangeLog

@@ -316,6 +316,9 @@ CVS code -
 	  done.  This fixes a problem where the statusbar is not
 	  properly blanked after using the "Go To Line" prompt with the
 	  NO_HELP flag set. (DLR)
+  titlebar()
+	- Use actual_x() to calculate the number of characters VERMSG
+	  takes up, in case it's UTF-8. (DLR)
   do_help()
 	- Don't treat NANO_CANCEL_KEY as NANO_EXIT_KEY anymore, for
 	  consistency. (DLR)

src/winio.c

@@ -2722,7 +2722,8 @@ void titlebar(const char *path)
     if (COLS > 4) {
 	/* The version message should only take up 1/3 of the screen
 	 * minus one column. */
-	mvwaddnstr(topwin, 0, 2, VERMSG, (COLS / 3) - 3);
+	mvwaddnstr(topwin, 0, 2, VERMSG, actual_x(VERMSG,
+		(COLS / 3) - 3));
 	waddstr(topwin, "  ");
     }