BUG: #1920: fix Qt 5.10.1 broken link

SuperBuild/CMake/External_qt5.cmake

@@ -130,7 +130,7 @@ configure_file( ${QT5_CONFIGURE_COMMAND_IN} ${QT5_CONFIGURE_COMMAND} @ONLY )
 
 ExternalProject_Add(QT5
   PREFIX QT5
-  URL "http://download.qt.io/official_releases/qt/5.10/5.10.1/single/qt-everywhere-src-5.10.1.tar.xz"
+  URL "https://download.qt.io/archive/qt/5.10/5.10.1/single/qt-everywhere-src-5.10.1.tar.xz"
   URL_MD5 7e167b9617e7bd64012daaacb85477af
   BINARY_DIR ${QT5_SB_BUILD_DIR}
   INSTALL_DIR ${SB_INSTALL_PREFIX}