Fixes Rift Signature Logic with only one-sided teleports

Author: ZombieHDGaming

src/main/java/org/dimdev/dimdoors/shared/items/ItemRiftSignature.java

@@ -76,7 +76,7 @@ public EnumActionResult onItemUse(EntityPlayer player, World world, BlockPos pos
             World sourceWorld = source.getLocation().getWorld();
             sourceWorld.setBlockState(source.location.getPos(), ModBlocks.RIFT.getDefaultState());
             TileEntityRift rift2 = (TileEntityRift) source.getLocation().getTileEntity();
-            rift2.setSingleDestination(new GlobalDestination(source.getLocation()));
+            rift2.setSingleDestination(new GlobalDestination(rift1.getLocation()));
             rift2.setRotation(source.getYaw(), 0);
             rift2.register();