cleanup

working around the following fatal by forcing `geosInstalled( FALSE )`

Fatal error: Uncaught exception 'Exception' with message 'ParseException: Expected word but encountered end of stream' in /var/www/wphost/wp-content/plugins/bgeo/components/external/geoPHP/lib/adapters/WKT.class.php:38 Stack trace: #0 /var/www/wphost/wp-content/plugins/bgeo/components/external/geoPHP/lib/adapters/WKT.class.php(38): GEOSWKTReader->read('') #1 [internal function]: WKT->read(NULL) #2 /var/www/wphost/wp-content/plugins/bgeo/components/external/geoPHP/geoPHP.inc(79): call_user_func_array(Array, Array) #3 /var/www/wphost/wp-content/plugins/bgeo/components/class-bgeo.php(166): geoPHP::load(NULL, 'wkt') #4 /var/www/wphost/wp-content/plugins/bgeo/components/class-bgeo.php(196): bGeo->new_geometry(NULL, 'wkt') #5 /var/www/wphost/wp-content/plugins/bgeo/components/templates/metabox-details.php(7): bGeo->get_geo('1159', 'bgeo_tags') #6 /var/www/wphost/wp-content/plugins/bgeo/components/class-bgeo-admin.php(105): include_once('/var/www/wphost...') #7 [internal function]: bGeo_Admin->metabox(Object(stdClass), 'bgeo_tag in /var/www/wphost/wp-content/plugins/bgeo/components/external/geoPHP/lib/adapters/WKT.class.php on line 38

Also fixing a bad variable reference.