Cleanup: use bool literal for booleans.

source/blender/editors/space_node/node_select.c

@@ -587,7 +587,7 @@ void NODE_OT_select(wmOperatorType *ot)
   RNA_def_boolean(ot->srna, "socket_select", false, "Socket Select", "");
   RNA_def_boolean(ot->srna,
                   "deselect_all",
-                  0,
+                  false,
                   "Deselect On Nothing",
                   "Deselect all when nothing under the cursor");
 }

source/blender/windowmanager/intern/wm_operator_props.c

@@ -452,7 +452,7 @@ void WM_operator_properties_mouse_select(wmOperatorType *ot)
 
   prop = RNA_def_boolean(ot->srna,
                          "deselect_all",
-                         0,
+                         false,
                          "Deselect On Nothing",
                          "Deselect all when nothing under the cursor");
   RNA_def_property_flag(prop, PROP_SKIP_SAVE);