Merge branch 'systime'

Add a systime-fix plugin allowing an embedded system to validate certificates
if the system time has not been synchronized after boot. Certificates of
established tunnels can be re-validated after the system time gets valid.

src/libcharon/Makefile.am

@@ -513,6 +513,13 @@ if MONOLITHIC
 endif
 endif
 
+if USE_SYSTIME_FIX
+  SUBDIRS += plugins/systime_fix
+if MONOLITHIC
+  libcharon_la_LIBADD += plugins/systime_fix/libstrongswan-systime-fix.la
+endif
+endif
+
 if USE_LED
   SUBDIRS += plugins/led
 if MONOLITHIC