apparmor: Fix comments after PID file and AF_UNIX socket creation refactoring

Now:
- we don't open the PID file in main() anymore
- PID file and AF_UNIX socket are opened by pidfile_open() and
  tap_sock_unix_open()
- write_pidfile() becomes pidfile_write()

Reported-by: Richard W.M. Jones <rjones@redhat.com>
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
Acked-by: Richard W.M. Jones <rjones@redhat.com>

contrib/apparmor/abstractions/pasta

@@ -27,7 +27,7 @@
   @{PROC}/@{pid}/net/udp		r,
   @{PROC}/@{pid}/net/udp6		r,
 
-  @{run}/user/@{uid}/**			rw,	# pasta_open_ns(), main()
+  @{run}/user/@{uid}/**			rw,	# pasta_open_ns()
 
   @{PROC}/[0-9]*/ns/			r,	# pasta_netns_quit_init(),
   @{PROC}/[0-9]*/ns/net			r,	# pasta_wait_for_ns(),

contrib/apparmor/usr.bin.passt

@@ -19,9 +19,12 @@ profile passt /usr/bin/passt{,.avx2} {
   include <abstractions/passt>
 
   # Alternatively: include <abstractions/user-tmp>
-  owner /tmp/**				w,	# tap_sock_unix_init(), pcap(),
-						# write_pidfile(),
+  owner /tmp/**				w,	# tap_sock_unix_open(),
+						# tap_sock_unix_init(), pcap(),
+						# pidfile_open(),
+						# pidfile_write(),
 						# logfile_init()
 
-  owner @{HOME}/**			w,	# pcap(), write_pidfile()
+  owner @{HOME}/**			w,	# pcap(), pidfile_open(),
+						# pidfile_write()
 }

contrib/apparmor/usr.bin.pasta

@@ -19,10 +19,13 @@ profile pasta /usr/bin/pasta{,.avx2} flags=(attach_disconnected) {
   include <abstractions/pasta>
 
   # Alternatively: include <abstractions/user-tmp>
-  /tmp/**				rw,	# tap_sock_unix_init(), pcap(),
-						# write_pidfile(),
+  /tmp/**				rw,	# tap_sock_unix_open(),
+						# tap_sock_unix_init(), pcap(),
+						# pidfile_open(),
+						# pidfile_write(),
 						# logfile_init(),
 						# pasta_open_ns()
 
-  owner @{HOME}/**			w,	# pcap(), write_pidfile()
+  owner @{HOME}/**			w,	# pcap(), pidfile_open(),
+						# pidfile_write()
 }