ps(1): Sort headers

Found these changes by chance in an old patch file.  Should have been
committed along with the ps(1) modifications done in March 2025.

No functional change (intended).

MFC after:      3 days
Sponsored by:   The FreeBSD Foundation

bin/ps/keyword.c

@@ -35,10 +35,10 @@
  */
 
 #include <sys/param.h>
-#include <sys/time.h>
-#include <sys/resource.h>
 #include <sys/proc.h>
+#include <sys/resource.h>
 #include <sys/sysctl.h>
+#include <sys/time.h>
 #include <sys/user.h>
 
 #include <assert.h>

bin/ps/ps.c

@@ -42,13 +42,13 @@
  */
 
 #include <sys/param.h>
-#include <sys/jail.h>
-#include <sys/proc.h>
-#include <sys/user.h>
-#include <sys/stat.h>
 #include <sys/ioctl.h>
-#include <sys/sysctl.h>
+#include <sys/jail.h>
 #include <sys/mount.h>
+#include <sys/proc.h>
+#include <sys/stat.h>
+#include <sys/sysctl.h>
+#include <sys/user.h>
 
 #include <ctype.h>
 #include <errno.h>