[grass] Fix build for metadata->htmlMetadata

Author: elpaso

src/providers/grass/qgsgrassrasterprovider.cpp

@@ -502,7 +502,7 @@ int QgsGrassRasterProvider::colorInterpretation( int bandNo ) const
   return QgsRaster::GrayIndex;
 }
 
-QString QgsGrassRasterProvider::metadata()
+QString QgsGrassRasterProvider::htmlMetadata()
 {
   QString myMetadata;
   QStringList myList;

src/providers/grass/qgsgrassrasterprovider.h

@@ -205,7 +205,7 @@ class GRASS_LIB_EXPORT QgsGrassRasterProvider : public QgsRasterDataProvider
      * Get metadata in a format suitable for feeding directly
      * into a subset of the GUI raster properties "Metadata" tab.
      */
-    QString metadata() override;
+    QString htmlMetadata() override;
 
     virtual QDateTime dataTimestamp() const override;