Merge pull request #9858 from signedav/default_symbol_scale

Fix "\since" comment because of backporting

Author: pblottiere

python/server/auto_generated/qgsserverprojectutils.sip.in

@@ -171,7 +171,7 @@ Returns the default number of map units per millimeters in case of the scale is
 
 :return: the default number of map units per millimeter
 
-.. versionadded:: 3.8
+.. versionadded:: 3.4
 %End
 
   bool wmsUseLayerIds( const QgsProject &project );

src/server/qgsserverprojectutils.h

@@ -158,7 +158,7 @@ namespace QgsServerProjectUtils
    * Returns the default number of map units per millimeters in case of the scale is not given
    * \param project the QGIS project
    * \returns the default number of map units per millimeter
-   * \since QGIS 3.8
+   * \since QGIS 3.4
    */
   SERVER_EXPORT double wmsDefaultMapUnitsPerMm( const QgsProject &project );