SPIGOT-5809: block.getState() instanceof Sign for crimson_sign missed

src/main/java/org/bukkit/craftbukkit/block/CraftBlock.java

@@ -315,6 +315,7 @@ public class CraftBlock implements Block {
         case ACACIA_WALL_SIGN:
         case BIRCH_SIGN:
         case BIRCH_WALL_SIGN:
+        case CRIMSON_SIGN:
         case DARK_OAK_SIGN:
         case DARK_OAK_WALL_SIGN:
         case JUNGLE_SIGN:

src/main/java/org/bukkit/craftbukkit/inventory/CraftItemFactory.java

@@ -200,6 +200,7 @@ public final class CraftItemFactory implements ItemFactory {
         case ACACIA_WALL_SIGN:
         case BIRCH_SIGN:
         case BIRCH_WALL_SIGN:
+        case CRIMSON_SIGN:
         case DARK_OAK_SIGN:
         case DARK_OAK_WALL_SIGN:
         case JUNGLE_SIGN:

src/main/java/org/bukkit/craftbukkit/inventory/CraftItemStack.java

@@ -469,6 +469,7 @@ public final class CraftItemStack extends ItemStack {
             case ACACIA_WALL_SIGN:
             case BIRCH_SIGN:
             case BIRCH_WALL_SIGN:
+            case CRIMSON_SIGN:
             case DARK_OAK_SIGN:
             case DARK_OAK_WALL_SIGN:
             case JUNGLE_SIGN:

src/main/java/org/bukkit/craftbukkit/inventory/CraftMetaBlockState.java

@@ -195,6 +195,7 @@ public class CraftMetaBlockState extends CraftMetaItem implements BlockStateMeta
             case ACACIA_WALL_SIGN:
             case BIRCH_SIGN:
             case BIRCH_WALL_SIGN:
+            case CRIMSON_SIGN:
             case DARK_OAK_SIGN:
             case DARK_OAK_WALL_SIGN:
             case JUNGLE_SIGN:
@@ -301,6 +302,7 @@ public class CraftMetaBlockState extends CraftMetaItem implements BlockStateMeta
         case ACACIA_WALL_SIGN:
         case BIRCH_SIGN:
         case BIRCH_WALL_SIGN:
+        case CRIMSON_SIGN:
         case DARK_OAK_SIGN:
         case DARK_OAK_WALL_SIGN:
         case JUNGLE_SIGN:
@@ -531,6 +533,7 @@ public class CraftMetaBlockState extends CraftMetaItem implements BlockStateMeta
         case ACACIA_WALL_SIGN:
         case BIRCH_SIGN:
         case BIRCH_WALL_SIGN:
+        case CRIMSON_SIGN:
         case DARK_OAK_SIGN:
         case DARK_OAK_WALL_SIGN:
         case JUNGLE_SIGN: