Fix class/struct confusion causing build error on macOS.

diff --git a/src/wx/invalid_certificate_period_dialog.h b/src/wx/invalid_certificate_period_dialog.h
index c72666418a9dce1b38c290183c09d99e4c8155df..e3a73fbb8ba6207998dc5fdc2c65a4e8c2551498 100644 (file)
--- a/src/wx/invalid_certificate_period_dialog.h
+++ b/src/wx/invalid_certificate_period_dialog.h
@@ -27,7 +27,7 @@
 #include <vector>
 
 
-class KDMCertificatePeriod;
+struct KDMCertificatePeriod;
 class wxListCtrl;