Use switch statement

src/main/java/refinedstorage/tile/grid/TileGrid.java

@@ -355,12 +355,13 @@ public class TileGrid extends TileMachine implements IGrid {
 
     @Override
     public IInventory getDroppedInventory() {
-        if (getType() == EnumGridType.CRAFTING) {
+        switch (getType()) {
+            case CRAFTING:
                 return craftingInventory;
-        } else if (getType() == EnumGridType.PATTERN) {
+            case PATTERN:
                 return patternsInventory;
-        }
+            default:
-
                 return null;
         }
     }
+}