gvevent_select_current_obj: squash -Wconversion warnings

diff --git a/lib/gvc/gvevent.c b/lib/gvc/gvevent.c
index 9fa6b6c9ae6fa6d54525e5652ff92e61f03db806..0d4c6d1f4d1bc91a51d178a24d43159c103c297f 100644 (file)
--- a/lib/gvc/gvevent.c
+++ b/lib/gvc/gvevent.c
@@ -327,15 +327,15 @@ static void gvevent_select_current_obj(GVJ_t * job)
         switch (agobjkind(obj)) {
         case AGRAPH:
            GD_gui_state(obj) |= GUI_STATE_VISITED;
-           GD_gui_state(obj) &= ~GUI_STATE_SELECTED;
+           GD_gui_state(obj) &= (unsigned char)~GUI_STATE_SELECTED;
            break;
         case AGNODE:
            ND_gui_state(obj) |= GUI_STATE_VISITED;
-           ND_gui_state(obj) &= ~GUI_STATE_SELECTED;
+           ND_gui_state(obj) &= (unsigned char)~GUI_STATE_SELECTED;
            break;
         case AGEDGE:
            ED_gui_state(obj) |= GUI_STATE_VISITED;
-           ED_gui_state(obj) &= ~GUI_STATE_SELECTED;
+           ED_gui_state(obj) &= (unsigned char)~GUI_STATE_SELECTED;
            break;
         }
     }