sepgsql_setcon().

This is intended as infrastructure to allow sepgsql to cooperate with
connection pooling software, by allowing the effective security label
to be set for each new connection.

KaiGai Kohei, reviewed by Yeb Havinga.

contrib/sepgsql/selinux.c

@@ -45,6 +45,12 @@ static struct
 			{
 				"transition", SEPG_PROCESS__TRANSITION
 			},
+			{
+				"dyntransition", SEPG_PROCESS__DYNTRANSITION
+			},
+			{
+				"setcurrent", SEPG_PROCESS__SETCURRENT
+			},
 			{
 				NULL, 0UL
 			}