Fixed armor/offhand slot display in 1.10

Whoops :D

src/main/java/com/lishid/openinv/internal/v1_10_R1/SpecialPlayerInventory.java

@@ -114,6 +114,11 @@ public class SpecialPlayerInventory extends PlayerInventory implements ISpecialP
         return contents;
     }
 
+    @Override
+    public int getSize() {
+        return super.getSize() + 4;
+    }
+
     @Override
     public ItemStack getItem(int i) {
         ItemStack[] is = this.items;

src/main/java/com/lishid/openinv/internal/v1_9_R1/SpecialPlayerInventory.java

@@ -115,7 +115,7 @@ public class SpecialPlayerInventory extends PlayerInventory implements ISpecialP
 
     @Override
     public int getSize() {
-        return super.getSize() + 5;
+        return super.getSize() + 4;
     }
 
     @Override

src/main/java/com/lishid/openinv/internal/v1_9_R2/SpecialPlayerInventory.java

@@ -121,7 +121,7 @@ public class SpecialPlayerInventory extends PlayerInventory implements ISpecialP
 
     @Override
     public int getSize() {
-        return super.getSize() + 5;
+        return super.getSize() + 4;
     }
 
     @Override

src/main/resources/plugin.yml

@@ -1,6 +1,6 @@
 name: OpenInv
 main: com.lishid.openinv.OpenInv
-version: 2.5.0
+version: 2.5.1
 author: lishid
 authors: [Jikoo]
 description: >