starter: Use kernel interfaces to flush SAD and SPD.

This now supports platforms where neither 'ip xfrm' nor 'setkey' are
available (like Android).

src/starter/starter.c

@@ -29,6 +29,7 @@
 
 #include <freeswan.h>
 #include <library.h>
+#include <hydra.h>
 
 #include "../pluto/constants.h"
 #include "../pluto/defs.h"
@@ -281,6 +282,9 @@ int main (int argc, char **argv)
 	library_init(NULL);
 	atexit(library_deinit);
 
+	libhydra_init("starter");
+	atexit(libhydra_deinit);
+
 	/* parse command line */
 	for (i = 1; i < argc; i++)
 	{