Change requirement to Qt 4.5

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@16272 d0543943-73ff-0310-b7d9-9358b9ac24b2

fscomm/FSComm.pro

 # #####################################
 # version check qt
 # #####################################
-contains(QT_VERSION, ^4\.[0-5]\..*) { 
+contains(QT_VERSION, ^4\.[0-4]\..*) {
     message("Cannot build FsGui with Qt version $$QT_VERSION.")
-    error("Use at least Qt 4.6.")
+    error("Use at least Qt 4.5.")
 }
 QT += xml
 TARGET = fscomm