helptext manual: use user oriented sketch of location structure

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@71917 15284696-431f-4ddb-bdfa-cd5b030d7da7

lib/init/helptext.html

@@ -86,9 +86,9 @@ definitions. It can be used to store the base cartography in it as
 "PERMANENT" is visible to all users accessing a LOCATION.
 <p>
 
-<!-- original drawing: doc/help_loc_structure.odg -->
+<!-- original drawing: ../../doc/grass_database.svg -->
 <center>
-  <img src="help_loc_struct.png" alt="[GRASS GIS Location structure]"><br>
+  <img src="grass_database.png" alt="[GRASS GIS Location structure]" style="padding:5px;" border="1"><br>
   <i>Fig. 1: GRASS GIS 7 location structure</i>
 </center>