fixed condition for slot removal

common/buildcraft/core/blueprints/BptBuilderBlueprint.java

@@ -239,20 +239,18 @@ public class BptBuilderBlueprint extends BptBuilderBase {
 								builtLocations.add(new BlockIndex(slot.x,
 										slot.y, slot.z));
 								return slot;
+							}
 						} else {
 							// the block is not soft anymore, we can't build
-								// here.
+							// here. Forget about it.
-								// forget about it.
 							iterator.remove();
 						}
-						}
 					} else {
 						iterator.remove();
 					}
 				} else {
 					iterator.remove();
 				}
-
 			} catch (Throwable t) {
 				// Defensive code against errors in implementers
 				t.printStackTrace();