Make sure confirm() actually confirms.

The "result" field was never set to true.
The only way it could be true was because the uninitialized value happened to be non-zero.
Thanks to Ayla for this fix.

src/browsedialog.cpp

@@ -189,6 +189,7 @@ void BrowseDialog::directoryEnter()
 
 void BrowseDialog::confirm()
 {
+	result = true;
 	close = true;
 }