Fix check of stream file being writeable

ChangeLog

@@ -38,6 +38,7 @@
 10. Fix AudioCD playback.
 11. Remove time remaining from action dialog - its not accurate enough to be
     meaningful.
+12. Fix detection of whether streams file is writable or not.
 
 1.0.2.1
 -------

models/streamsmodel.cpp

@@ -939,7 +939,7 @@ bool StreamsModel::checkWritable()
     writable=!isHttp && QFileInfo(dirName).isWritable();
     if (writable) {
         QString fileName=getInternalFile(false);
-        if (QFile::exists(fileName) && !QFile(fileName).isWritable()) {
+        if (QFile::exists(fileName) && !QFileInfo(fileName).isWritable()) {
             writable=false;
         }
     }