fanotify.7: Remove unneeded close() calls

The fanotify file descriptor will be implicitly closed by process
termination, and in any case it was not closed explicitly in all
process termination paths.

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>

man7/fanotify.7

@@ -613,7 +613,6 @@ main(int argc, char *argv[])
                       FAN_OPEN_PERM | FAN_CLOSE_WRITE, \-1,
                       argv[1]) == \-1) {
         perror("fanotify_mark");
-        close(fd);
         exit(EXIT_FAILURE);
     }
 
@@ -660,9 +659,6 @@ main(int argc, char *argv[])
         }
     }
 
-    /* Close fanotify file descriptor */
-
-    close(fd);
     printf("Listening for events stopped.\\n");
     exit(EXIT_SUCCESS);
 }