fix dirty flag

src/shellmatta_history.c

@@ -237,6 +237,8 @@ void history_storeCmd(shellmatta_instance_t *inst)
             appendHistoryByte(inst, inst->buffer[i - 1u]);
         }
     }
+
+    inst->dirty = false;
 }
 
 /**
@@ -269,6 +271,7 @@ void history_restoreCmd(shellmatta_instance_t *inst)
     if(true == anythingToRestore)
     {
         utils_writeEcho(inst, inst->buffer, inst->inputCount);
+        inst->dirty = false;
     }
     (void)history_navigate(inst, 1);
 }