fix sign issue with Qt > 5.0 in gui.

diff --git a/gpsbabel/gui/upgrade.cc b/gpsbabel/gui/upgrade.cc
index 821e5e04561fb1022b83fb85769b3f5365040861..5e701e0e1da7325e4732a77e2ac29a5cca49a3c3 100644 (file)
--- a/gpsbabel/gui/upgrade.cc
+++ b/gpsbabel/gui/upgrade.cc
@@ -298,7 +298,11 @@ void UpgradeCheck::httpRequestFinished(QNetworkReply* reply)
   QUrl downloadUrl;
   updateStatus_ = updateCurrent;  // Current until proven guilty.
 
-  for (unsigned int i = 0; i < upgrades.length(); i++) {
+#if (QT_VERSION < QT_VERSION_CHECK(5, 0, 0))
+  for (int i = 0; i < (int) upgrades.length(); i++) {
+#else
+  for (int i = 0; i < upgrades.length(); i++) {
+#endif
     QDomNode upgradeNode = upgrades.item(i);
     QDomElement upgrade = upgradeNode.toElement();