Fix warnings

src/API/vlmc_module_variables.cpp

@@ -3,5 +3,10 @@
 
 vlmc_return_type_t  vlmc_add_variable_int( vlmc_module_t* p_module, const char* psz_varname, int value )
 {
+    Q_UNUSED( p_module );
+    Q_UNUSED( psz_varname );
+    Q_UNUSED( value );
     qDebug() << "Setting variable";
+
+    return VLMC_SUCCESS;
 }

src/Media.cpp

@@ -182,6 +182,7 @@ void                Media::initAudioData( void* datas, unsigned int* freq, unsig
 
 void                Media::addAudioFrame( void* datas, unsigned char* buffer, size_t buffSize, unsigned int nbSample )
 {
+    Q_UNUSED( datas );
     m_audioData.nbSample = nbSample;
     m_audioData.buffSize = buffSize;
 

src/gui/LibraryWidget.cpp

@@ -125,6 +125,7 @@ void    LibraryWidget::newClipLoaded( Clip* clip )
 
 void    LibraryWidget::insertNewMediasFromFileDialog( QString title, QString filter, Media::FileType fileType )
 {
+    Q_UNUSED( fileType );
     QSettings settings;
     QString path;