Code review comments from jeffpc

@@ -20,11 +20,11 @@
 
 #include <sys/types.h>
 #include <sys/procset.h>
 
 struct proc;
-typedef uint32_t secflagset_t;
+typedef uint64_t secflagset_t;
 
 typedef struct psecflags {
         secflagset_t psf_effective;
         secflagset_t psf_inherit;
         secflagset_t psf_lower;