rename move_left() and move_right() to move_mbleft() and move_mbright(),
and move them to chars.c


git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@2270 35c25a1d-7b9e-4130-9fde-d3aeb78583b8
diff --git a/src/winio.c b/src/winio.c
index 5ae85bb..ad4f5c5 100644
--- a/src/winio.c
+++ b/src/winio.c
@@ -1818,7 +1818,7 @@
 	    if (!is_blank_mbchar(blank_mb))
 		break;
 
-	    statusbar_x = move_right(answer, statusbar_x);
+	    statusbar_x = move_mbright(answer, statusbar_x);
 	}
 
 	free(blank_mb);
@@ -1839,13 +1839,13 @@
 void do_statusbar_right(void)
 {
     if (statusbar_x < statusbar_xend)
-	statusbar_x = move_right(answer, statusbar_x);
+	statusbar_x = move_mbright(answer, statusbar_x);
 }
 
 void do_statusbar_left(void)
 {
     if (statusbar_x > 0)
-	statusbar_x = move_left(answer, statusbar_x);
+	statusbar_x = move_mbleft(answer, statusbar_x);
 }
 
 void do_statusbar_backspace(void)