Suppress some warnings

src/main/java/modtweaker2/mods/railcraft/handlers/BlastFurnace.java

@@ -30,7 +30,8 @@ public class BlastFurnace {
 	}
 
 	private static class Add extends BaseListAddition<IBlastFurnaceRecipe> {
-		public Add(IBlastFurnaceRecipe recipe) {
+		@SuppressWarnings("unchecked")
+        public Add(IBlastFurnaceRecipe recipe) {
 			super(BlastFurnace.name, (List<IBlastFurnaceRecipe>)RailcraftHelper.furnace);
 			recipes.add(recipe);
 		}
@@ -59,6 +60,7 @@ public class BlastFurnace {
 	}
 
 	private static class Remove extends BaseListRemoval<IBlastFurnaceRecipe> {
+	    @SuppressWarnings("unchecked")
 		public Remove(List<IBlastFurnaceRecipe> recipes) {
 			super(BlastFurnace.name, (List<IBlastFurnaceRecipe>)RailcraftHelper.furnace, recipes);
 		}

src/main/java/modtweaker2/mods/railcraft/handlers/CokeOven.java

@@ -85,7 +85,8 @@ public class CokeOven {
 
 	private static class Add extends BaseListAddition<ICokeOvenRecipe> {
 
-		public Add(ICokeOvenRecipe recipe) {
+		@SuppressWarnings("unchecked")
+        public Add(ICokeOvenRecipe recipe) {
 			super(CokeOven.name, (List<ICokeOvenRecipe>)RailcraftCraftingManager.cokeOven.getRecipes());
 			recipes.add(recipe);
 		}
@@ -116,6 +117,8 @@ public class CokeOven {
 	}
 
 	private static class Remove extends BaseListRemoval<ICokeOvenRecipe> {
+	    
+	    @SuppressWarnings("unchecked")
 		public Remove(List<ICokeOvenRecipe> recipes) {
 			super(CokeOven.name, (List<ICokeOvenRecipe>)RailcraftHelper.oven, recipes);
 		}

src/main/java/modtweaker2/mods/railcraft/handlers/RockCrusher.java

@@ -36,6 +36,8 @@ public class RockCrusher {
     }
 
     private static class Add extends BaseListAddition<IRockCrusherRecipe> {
+        
+        @SuppressWarnings("unchecked")
         public Add(IRockCrusherRecipe recipe) {
             super(RockCrusher.name, (List<IRockCrusherRecipe>)RailcraftHelper.crusher);
             recipes.add(recipe);
@@ -67,6 +69,8 @@ public class RockCrusher {
     }
 
     private static class Remove extends BaseListRemoval<IRockCrusherRecipe> {
+        
+        @SuppressWarnings("unchecked")
         public Remove(List<IRockCrusherRecipe> recipes) {
             super("Rock Crusher", (List<IRockCrusherRecipe>)RailcraftHelper.crusher, recipes);
         }