report found Qt version on build

CMakeLists.txt

@@ -221,6 +221,7 @@ SET (HAVE_MSSQL TRUE)
 # search for Qt4
 SET(QT_MIN_VERSION 4.5.0)
 FIND_PACKAGE(Qt4 ${QT_MIN_VERSION} REQUIRED)
+MESSAGE(STATUS "Found Qt version: ${QTVERSION}")
 SET(QT_USE_QTXML 1)
 SET(QT_USE_QTNETWORK 1)
 SET(QT_USE_QTSVG 1)