Minor fixes.

* include/mailutils/cfg.h (mu_cfg_perror): Mark as printflike.
(mu_cfg_format_error): Likewise.
* libmu_argp/radius.c (mu_radius_argp_option): Fix typo in the
docstring.
* mail/mail.h [!WITH_READLINE] (mailvar_set_compl): New define.

@@ -92,8 +92,10 @@ extern mu_cfg_locus_t mu_cfg_locus;
 
 mu_opool_t mu_cfg_lexer_pool (void);
 
-void mu_cfg_perror (const mu_cfg_locus_t *, const char *, ...);
-void mu_cfg_format_error (mu_debug_t debug, size_t, const char *fmt, ...);
+void mu_cfg_perror (const mu_cfg_locus_t *, const char *, ...)
+      MU_PRINTFLIKE(2,3);
+void mu_cfg_format_error (mu_debug_t debug, size_t, const char *fmt, ...)
+      MU_PRINTFLIKE(3,4);
 
 #define MU_CFG_ITER_OK   0
 #define MU_CFG_ITER_SKIP 1

@@ -32,7 +32,7 @@ enum {
 
 static struct argp_option mu_radius_argp_option[] = {
   { "radius-auth-request", OPT_AUTH_REQUEST, N_("REQUEST"), OPTION_HIDDEN,
-    N_("radius request to authenitcate the user"), 0 },
+    N_("radius request to authenticate the user"), 0 },
   { "radius-getpwnam-request", OPT_GETPWNAM_REQUEST, N_("REQUEST"), OPTION_HIDDEN,
     N_("radius request to retrieve a passwd entry based on username"), 0 },
   { "radius-getpwuid-request", OPT_GETPWUID_REQUEST, N_("REQUEST"), OPTION_HIDDEN,

@@ -476,6 +476,7 @@ extern char **exec_compl (int argc, char **argv, int ws);
 # define alias_compl NULL
 # define var_compl NULL
 # define exec_compl NULL     
+# define mailvar_set_compl NULL
 #endif
 
 #ifdef __cplusplus