fix warnings

Author: jef-n

src/core/raster/qgsrasterblock.cpp

@@ -253,7 +253,7 @@ bool QgsRasterBlock::isNoDataValue( double value ) const
 
 double QgsRasterBlock::value( size_t index ) const
 {
-  if ( index < 0 || index >= ( size_t )mWidth*mHeight )
+  if ( index >= ( size_t )mWidth*mHeight )
   {
     QgsDebugMsg( QString( "Index %1 out of range (%2 x %3)" ).arg( index ).arg( mWidth ).arg( mHeight ) );
     return mNoDataValue;
@@ -282,7 +282,7 @@ QRgb QgsRasterBlock::color( int row, int column ) const
 
 bool QgsRasterBlock::isNoData( size_t index )
 {
-  if ( index < 0 || index >= ( size_t )mWidth*mHeight )
+  if ( index >= ( size_t )mWidth*mHeight )
   {
     QgsDebugMsg( QString( "Index %1 out of range (%2 x %3)" ).arg( index ).arg( mWidth ).arg( mHeight ) );
     return true; // we consider no data if outside

src/mapserver/qgswfsserver.cpp

@@ -964,9 +964,6 @@ QDomDocument QgsWFSServer::transaction( const QString& requestBody )
           {
             // Create feature for this layer
             QgsFeature* f = new QgsFeature();
-            unsigned char* wkb = 0;
-            int wkbSize = 0;
-            QGis::WkbType currentType;
 
             QDomElement featureElem = featNodes.at( l ).toElement();
 

src/providers/wfs/qgswfsprovider.cpp

@@ -1261,7 +1261,6 @@ int QgsWFSProvider::getFeaturesFromGML2( const QDomElement& wfsCollectionElement
   QgsFeature* f = 0;
   unsigned char* wkb = 0;
   int wkbSize = 0;
-  QGis::WkbType currentType;
   mFeatureCount = 0;
 
   for ( int i = 0; i < featureTypeNodeList.size(); ++i )