macOS: Fix GVAttributeInspectorController.m warning with Xcode 10

diff --git a/macosx/GVAttributeInspectorController.m b/macosx/GVAttributeInspectorController.m
index cf6c81f2cc2424990358c82c24e7f4b3f214e094..c6ed26bde6121467d7a93db41851ad8234f813d7 100644 (file)
--- a/macosx/GVAttributeInspectorController.m
+++ b/macosx/GVAttributeInspectorController.m
@@ -118,7 +118,7 @@
 
 - (void)tableViewSelectionDidChange:(NSNotification *)aNotification
 {
-       int selectedRow = [[aNotification object] selectedRow];
+       NSInteger selectedRow = [[aNotification object] selectedRow];
        NSString* documentation = selectedRow == -1 ? nil : [[[_allSchemas objectForKey:[componentToolbar selectedItemIdentifier]] objectAtIndex: selectedRow] documentation];
        [[documentationWeb mainFrame] loadHTMLString:documentation baseURL:[NSURL URLWithString:@"http://www.graphviz.org/"]];
 }