Merge pull request #1666 from TechStack/1.8

Fixes issue #1552 Where the flowIntoBlock method was not setting the Block to the fluid and causing crashes

src/main/java/net/minecraftforge/fluids/BlockFluidClassic.java

@@ -272,7 +272,7 @@ public class BlockFluidClassic extends BlockFluidBase
         if (meta < 0) return;
         if (displaceIfPossible(world, pos))
         {
-            world.setBlockState(pos, world.getBlockState(pos).withProperty(LEVEL, meta), 3);
+            world.setBlockState(pos, this.getBlockState().getBaseState().withProperty(LEVEL, meta), 3);
         }
     }