moving: set the preferred column properly when doing a smart home

This fixes http://savannah.gnu.org/bugs/?52042

.
Reported-by: Mike Frysinger <vapier@gentoo.org>

src/move.c

@@ -420,7 +420,7 @@ void do_home(void)
 	openfile->current_x = 0;
 
     if (moved_off_chunk)
-	openfile->placewewant = 0;
+	openfile->placewewant = xplustabs();
 
     /* If we changed chunk, we might be offscreen.  Otherwise,
      * update current if the mark is on or we changed "page". */