libsepol: add memfd_class capability

memfd_class was declared upstream in [1]. Add it to the list of known
capabilities.

[1] https://lore.kernel.org/selinux/[email protected]/

Signed-off-by: Thiébaud Weksteen <[email protected]>
Acked-by: Stephen Smalley <[email protected]>

Author: tweksteen

libsepol/include/sepol/policydb/polcaps.h

@@ -20,6 +20,7 @@ enum {
 	POLICYDB_CAP_NETIF_WILDCARD,
 	POLICYDB_CAP_GENFS_SECLABEL_WILDCARD,
 	POLICYDB_CAP_FUNCTIONFS_SECLABEL,
+	POLICYDB_CAP_MEMFD_CLASS,
 	__POLICYDB_CAP_MAX
 };
 #define POLICYDB_CAP_MAX (__POLICYDB_CAP_MAX - 1)

libsepol/src/polcaps.c

@@ -19,6 +19,7 @@ static const char * const polcap_names[POLICYDB_CAP_MAX + 1] = {
 	[POLICYDB_CAP_NETIF_WILDCARD]			= "netif_wildcard",
 	[POLICYDB_CAP_GENFS_SECLABEL_WILDCARD]		= "genfs_seclabel_wildcard",
 	[POLICYDB_CAP_FUNCTIONFS_SECLABEL]		= "functionfs_seclabel",
+	[POLICYDB_CAP_MEMFD_CLASS]			= "memfd_class",
 };
 
 int sepol_polcap_getnum(const char *name)