Update to checkpolicy 2.2.  Requires libsepol 2.2.

Update to current upstream checkpolicy release.
Includes memory leak fixes, improved handling of
filename-based type transitions, and support for latest
kernel policy version.

Change-Id: Idabd3e4d50777c6691cb0d74b4e28f4fe06bef35
Signed-off-by: Stephen Smalley <sds@tycho.nsa.gov>
diff --git a/checkmodule.c b/checkmodule.c
index cb58cf0..41ebab5 100644
--- a/checkmodule.c
+++ b/checkmodule.c
@@ -171,7 +171,7 @@
 		{"output", required_argument, NULL, 'o'},
 		{"binary", no_argument, NULL, 'b'},
 		{"version", no_argument, NULL, 'V'},
-		{"handle-unknown", optional_argument, NULL, 'U'},
+		{"handle-unknown", required_argument, NULL, 'U'},
 		{"mls", no_argument, NULL, 'M'},
 		{NULL, 0, NULL, 0}
 	};