Silence warning in release mode

Author: elpaso

src/providers/ogr/qgsgeopackagedataitems.cpp

@@ -771,7 +771,9 @@ QList<QString> QgsGeoPackageAbstractLayerItem::tableNames()
                );
       sqlite3_free( sql );
       if ( status != SQLITE_OK )
+      {
         QgsDebugMsg( QStringLiteral( "There was an error reading tables from GPKG layer %1: %2" ).arg( mUri, QString::fromUtf8( errmsg ) ) );
+      }
       sqlite3_free( errmsg );
     }
     else