Patch to phosh shell.c for mobian pinetab

shell.c.patch

--- shell.c.old	2020-09-10 08:24:15.719590683 -0700
+++ shell.c	2020-09-10 07:38:30.969310931 -0700
@@ -647,9 +647,13 @@
   current = phosh_monitor_get_rotation (priv->primary_monitor);
   if (current == degree)
     return;
+gint new_degree = degree;
+if(new_degree == 90) {
+	new_degree = 270;
+}
   phosh_private_rotate_display (phosh_wayland_get_phosh_private (wl),
                                 phosh_layer_surface_get_wl_surface (priv->panel),
-                                degree);
+                                (guint)new_degree);
 }