fix: provide strong references to DaedalusInstances

Author: lmichaelis

ZenKit/DaedalusInstance.cs

@@ -38,6 +38,11 @@ protected DaedalusInstance(UIntPtr handle)
 			Handle = handle;
 		}
 
+		~DaedalusInstance()
+		{
+			Native.ZkDaedalusInstance_release(Handle);
+		}
+
 		internal UIntPtr Handle { get; }
 
 		public DaedalusInstanceType Type => Native.ZkDaedalusInstance_getType(Handle);

ZenKit/Native.cs

@@ -4019,6 +4019,9 @@ public static extern void ZkDaedalusScript_enumerateInstanceSymbols(UIntPtr slf,
         [DllImport(DllName)]
         public static extern uint ZkDaedalusSymbol_getIndex(UIntPtr slf);
 
+        [DllImport(DllName)]
+        public static extern void ZkDaedalusInstance_release(UIntPtr slf);
+        
         [DllImport(DllName)]
         public static extern DaedalusDataType ZkDaedalusSymbol_getReturnType(UIntPtr slf);