Fix red rocklib_img 32-24 bit targets

int is an incompatible type for targets that have 32bit fb_data
need to use FB_SCALARPACK for them

Change-Id: Ib3b5ff19c54d8d1bb76af33d0538a17a71301514

apps/plugins/lua/include_lua/lcd.lua

@@ -132,16 +132,6 @@ local _lcd = {} do
     end
 
     --expose functions to the outside through _lcd table
---[[
-    _lcd.text_extent  = text_extent
-    _lcd.set_viewport = set_viewport
-    _lcd.duplicate    = duplicate
-    _lcd.update       = _update
-    _lcd.update_rect  = update_rect
-    _lcd.clear        = clear
-    _lcd.splashf      = splashf
-    _lcd.image        = image
-]]
     _lcd.update       = rb.lcd_update
     _lcd.DEPTH        = rb.LCD_DEPTH
     _lcd.W            = rb.LCD_WIDTH

apps/plugins/lua/rocklib_img.c

@@ -1152,7 +1152,7 @@ RLI_LUA rli_copy(lua_State *L)
     {
         rli_trans = custom_transform;
         lua_settop(L, 11); /* ensure lua function on top of stack */
-        clr = 0;
+        clr = FB_SCALARPACK(0);
         op = 0;
     }
     else