Always pass format string as a third argument to util_finish. Although this is not

necessary, since 'buffer' is guaranteed to contain a normal error string, without
format specifiers, yet this will simplify maintainence.

@@ -37,7 +37,7 @@ imap4d_copy (struct imap4d_command *command, char *arg)
 	state = new_state;
       return util_send ("%s %s\r\n", command->tag, buffer);
     }
-  return util_finish (command, rc, buffer);
+  return util_finish (command, rc, "%s", buffer);
 }
 
 int

@@ -128,7 +128,7 @@ imap4d_fetch (struct imap4d_command *command, char *arg)
   char buffer[64];
 
   rc = imap4d_fetch0 (arg, 0, buffer, sizeof buffer);
-  return util_finish (command, rc, buffer);
+  return util_finish (command, rc, "%s", buffer);
 }
 
 /* Where the real implementation is.  It is here since UID command also

@@ -29,7 +29,7 @@ imap4d_store (struct imap4d_command *command, char *arg)
   char buffer[64];
 
   rc = imap4d_store0 (arg, 0, buffer, sizeof buffer);
-  return util_finish (command, rc, buffer);
+  return util_finish (command, rc, "%s", buffer);
 }
 
 int