Reconnect after creating extension, to fix search_path race

Closes GH-288

Author: strk

initdb-postgis.sh

@@ -16,6 +16,7 @@ for DB in template_postgis "$POSTGRES_DB"; do
 	"${psql[@]}" --dbname="$DB" <<-'EOSQL'
 		CREATE EXTENSION IF NOT EXISTS postgis;
 		CREATE EXTENSION IF NOT EXISTS postgis_topology;
+		\c
 		CREATE EXTENSION IF NOT EXISTS fuzzystrmatch;
 		CREATE EXTENSION IF NOT EXISTS postgis_tiger_geocoder;
 EOSQL