variables: note that on Windows the files are stored in %APPDATA%

git-svn-id: https://svn.osgeo.org/grass/grass/branches/releasebranch_7_0@62740 15284696-431f-4ddb-bdfa-cd5b030d7da7

lib/init/variables.html

@@ -500,6 +500,8 @@ g.gisenv set=DEBUG=0
    See also GIS_ERROR_LOG variable.</dd>
 </dl>
 
+Note: On MS Windows the files are stored in <tt>%APPDATA%</tt>.
+
 <h2>SEE ALSO</h2>
 
 <em>