style(handler): Made variables final when possible.

Author: Shuvlyy

src/main/java/fr/hashtek/spigot/hashgui/handler/click/HashGuiClick.java

@@ -55,8 +55,8 @@ public HashGuiClick addClickHandler(HashItem item)
 		if (clickHandlers == null || clickHandlers.isEmpty())
 			return this;
 
-		ItemMeta meta = item.getItemStack().getItemMeta();
-		String itemName = meta.getDisplayName();
+		final ItemMeta meta = item.getItemStack().getItemMeta();
+		final String itemName = meta.getDisplayName();
 
 		for (ClickHandler handler : item.getClickHandlers())
 			this.addClickHandler(itemName, handler);

src/main/java/fr/hashtek/spigot/hashgui/handler/hold/HashGuiHold.java

@@ -58,8 +58,8 @@ public HashGuiHold addHoldHandler(HashItem item)
         if (clickHandlers == null || clickHandlers.isEmpty())
             return this;
 
-        ItemMeta meta = item.getItemStack().getItemMeta();
-        String itemName = meta.getDisplayName();
+        final ItemMeta meta = item.getItemStack().getItemMeta();
+        final String itemName = meta.getDisplayName();
 
         for (HoldHandler handler : item.getHoldHandlers())
             this.addHoldHandler(itemName, handler);

src/main/java/fr/hashtek/spigot/hashgui/handler/interact/HashGuiInteraction.java

@@ -55,8 +55,8 @@ public HashGuiInteraction addInteractHandler(HashItem item)
 		if (interactHandler == null || interactHandler.isEmpty())
 			return this;
 
-		ItemMeta meta = item.getItemStack().getItemMeta();
-		String itemName = meta.getDisplayName();
+		final ItemMeta meta = item.getItemStack().getItemMeta();
+		final String itemName = meta.getDisplayName();
 
 		for (InteractHandler handler: item.getInteractHandlers())
 			this.addInteractHandler(itemName, handler);