add missing SDKType_Object enum

Author: bottiger1

plugins/include/sdktools.inc

@@ -89,7 +89,8 @@ enum SDKType
 	SDKType_Edict,          /**< edict_t (always as pointer) */
 	SDKType_String,         /**< NULL-terminated string (always as pointer) */
 	SDKType_Bool,           /**< Boolean (any) */
-	SDKType_Pointer, 		/**< Pointer (pass in an array) */
+	SDKType_Object,
+	SDKType_Pointer, 	/**< Pointer (pass in an array) */
 };
 
 enum SDKPassMethod