Add definitions for session change notifications.
diff --git a/include/winsvc.h b/include/winsvc.h
index 44e0528..0b43aaf 100644
--- a/include/winsvc.h
+++ b/include/winsvc.h
@@ -52,6 +52,7 @@
#define SERVICE_CONTROL_DEVICEEVENT 0x0000000B
#define SERVICE_CONTROL_HARDWAREPROFILECHANGE 0x0000000C
#define SERVICE_CONTROL_POWEREVENT 0x0000000D
+#define SERVICE_CONTROL_SESSIONCHANGE 0x0000000E
/* Service State */
#define SERVICE_STOPPED 0x00000001
@@ -70,6 +71,7 @@
#define SERVICE_ACCEPT_NETBINDCHANGE 0x00000010
#define SERVICE_ACCEPT_HARDWAREPROFILECHANGE 0x00000020
#define SERVICE_ACCEPT_POWEREVENT 0x00000040
+#define SERVICE_ACCEPT_SESSIONCHANGE 0x00000080
/* Service Control Manager Object access types */
#define SC_MANAGER_CONNECT 0x0001