fish: remote: Make sure global cleanups are called for guestfish --listen.

Return to the main program ('fish.c') and perform global cleanups when
the guestfish remote server exits.

fish/fish.c

@@ -495,6 +495,7 @@ main (int argc, char *argv[])
       exit (EXIT_FAILURE);
     }
     rc_listen ();
+    goto out;
   }
 
   /* -f (file) parameter? */
@@ -545,6 +546,7 @@ main (int argc, char *argv[])
   else
     cmdline (argv, optind, argc);
 
+ out:
   cleanup_readline ();
 
   if (progress_bars)

fish/fish.h

@@ -130,7 +130,7 @@ extern void free_prep_data (void *data);
 extern int vg_lv_parse (const char *device, char **vg, char **lv);
 
 /* in rc.c (remote control) */
-extern void rc_listen (void) __attribute__((noreturn));
+extern void rc_listen (void);
 extern int rc_remote (int pid, const char *cmd, size_t argc, char *argv[],
                       int exit_on_error);
 

fish/rc.c

@@ -310,7 +310,8 @@ rc_listen (void)
   }
 
   unlink (sockpath);
-  exit (EXIT_SUCCESS);
+
+  /* This returns to 'fish.c', where it jumps to global cleanups and exits. */
 }
 
 /* Remote control client. */