Xtt, memory lekeage fix in delete of flow node

xtt/lib/flow/src/flow_node.cpp

@@ -98,7 +98,15 @@ FlowNode::~FlowNode()
     trace_close();
 
   ctx->object_deleted( this);
-  if ( ctx->nodraw) return;
+  if ( ctx->nodraw) {
+    for ( int i = 0; i < 10; i++) {
+      if ( annotv_inputmode[i])
+	close_annotation_input( i);
+      if ( annotsize[i] > 0)
+	free( annotv[i]);
+    }
+    return;
+  }
 
   erase();
   nav_erase();
@@ -1103,4 +1111,4 @@ void FlowNode::change_nodeclass( FlowNodeClass *new_nc)
       nc->draw( &pos, highlight, dimmed, hot, (void *)this);
     else
       draw_inverse();
-}
\ No newline at end of file
+}