Merge topic 'FindQt4-QT4_FOUND' into release-4.0

dfa2b58cb6 FindQt4: Restore QT4_FOUND setting

Acked-by: Kitware Robot <[email protected]>
Merge-request: !10496

Modules/FindQt4.cmake

@@ -1339,4 +1339,5 @@ endif()
 set (QT_MOC_EXE ${QT_MOC_EXECUTABLE} )
 set (QT_UIC_EXE ${QT_UIC_EXECUTABLE} )
 set( QT_QT_LIBRARY "")
+set(QT4_FOUND ${Qt4_FOUND})
 set(QT_FOUND ${Qt4_FOUND})