Add QT on debian

Modules/FindQt.cmake

@@ -21,6 +21,7 @@ FIND_PATH(QT_INCLUDE_DIR qt.h
     $ENV{QTDIR}/include
     /usr/local/qt/include
     /usr/local/include
+    /usr/include/qt
     /usr/include 
     C:/Progra~1/qt/include
   )
@@ -94,4 +95,4 @@ MARK_AS_ADVANCED(
   QT_MOC_EXECUTABLE
   QT_WRAP_CPP
   QT_WRAP_UI
-)
+)