Fix opensuse compilation

CMakeLists.txt

@@ -52,6 +52,7 @@ find_package(Qt4)
 if (QT4_FOUND)
     set( QT_USE_QTGUI   TRUE )
     set( QT_USE_QTUITOOLS TRUE )
+    set( QT_USE_QTXML TRUE )
     include( ${QT_USE_FILE} )
     include_directories(
         ${CMAKE_CURRENT_SOURCE_DIR}