COMP: Qt5: Fix buildsystem regression ensuring QT_LIBRARIES is set (part 2)

Checking if the Qt5::<lib> target is valid is not possible because
find_package calls has not been done yet.

git-svn-id: http://svn.slicer.org/Slicer4/trunk@26952 3bd1e089-480b-0410-8dfb-8563597acbee

Author: jcfr

CMakeLists.txt

@@ -603,7 +603,7 @@ list(APPEND Slicer_REQUIRED_QT_MODULES ${Slicer_ADDITIONAL_REQUIRED_QT_MODULES})
 if(Slicer_REQUIRED_QT_VERSION VERSION_GREATER "4.9")
   set(QT_LIBRARIES)
   foreach(lib IN LISTS Slicer_REQUIRED_QT_MODULES)
-    if(NOT TARGET Qt5::${lib})
+    if(lib MATCHES "^(LinguistTools)$")
       continue()
     endif()
     list(APPEND QT_LIBRARIES Qt5::${lib})