fix le memory leak

src/libmain.c

@@ -38,6 +38,11 @@ void _GroundFreeFunction(GroundFunction* in);
 void _GroundFreeStruct(GroundStruct* in);
 void _GroundFreeObject(GroundObject* in);
 
+void _GroundFreeArg(GroundArg* in);
+void _GroundFreeInstruction(GroundInstruction* in);
+void _GroundFreeProgram(GroundProgram* in);
+void _GroundFreeState(GroundState* in);
+
 
 GroundValue _GroundCopyValue(GroundValue* in);
 GroundList _GroundCopyList(GroundList* in);
@@ -133,6 +138,11 @@ struct _Ground Ground = {
         .Function = _GroundFreeFunction,
         .Struct = _GroundFreeStruct,
         .Object = _GroundFreeObject,
+
+        .Arg = _GroundFreeArg,
+        .Instruction = _GroundFreeInstruction,
+        .Program = _GroundFreeProgram,
+        .State = _GroundFreeState,
     },
 
     .Copy = {