Fixed a few warnings.

kstars/fov.cpp

@@ -193,7 +193,7 @@ QList<FOV*> FOV::readFOVs()
             QStringList fields = istream.readLine().split(':');
             bool ok;
             QString name, color;
-            float   sizeX, sizeY, xoffset, yoffset, rot, orient;
+            float   sizeX, sizeY, xoffset, yoffset, rot;
             Shape   shape;
             if( fields.count() == 8 )
             {

kstars/skycomponents/supernovaecomponent.cpp

@@ -236,6 +236,8 @@ void SupernovaeComponent::slotTriggerDataFileUpdate()
 
 void SupernovaeComponent::slotDataFileUpdateFinished( int exitCode, QProcess::ExitStatus exitStatus )
 {
+    Q_UNUSED(exitStatus)
+
     if ( exitCode ) {
         QString errmsg;
         switch ( exitCode ) {

kstars/tools/whatsinteresting/skyobjlistmodel.cpp

@@ -31,6 +31,8 @@ void SkyObjListModel::addSkyObject(SkyObjItem *soitem)
 
 int SkyObjListModel::rowCount(const QModelIndex& parent) const
 {
+    Q_UNUSED(parent)
+
     return m_SoItemList.size();
 }
 

kstars/tools/whatsinteresting/wiview.cpp

@@ -88,6 +88,8 @@ void WIView::onCategorySelected(int type)
 
 void WIView::onSoListItemClicked(int type, QString typeName, int index)
 {
+    Q_UNUSED(typeName)
+
     SkyObjItem *soitem = m_ModManager->returnModel(type)->getSkyObjItem(index);
 
 //    soTypeTextObj->setProperty("text", typeName);