snmpd: format string for yyerror

[Florian Obser]

not really a problem, errstr are just various static strings, but still...

pointed out by clang, OK?

diff --git snmpd/parse.y snmpd/parse.y
index efd1159c3ab..cc3d4194556 100644
--- snmpd/parse.y
+++ snmpd/parse.y
@@ -273,14 +273,14 @@ main              : LISTEN ON STRING              {
                        const char *errstr;
                        user = usm_newuser($2, &errstr);
                        if (user == NULL) {
-                               yyerror(errstr);
+                               yyerror("%s", errstr);
                                free($2);
                                YYERROR;
                        }
                } userspecs {
                        const char *errstr;
                        if (usm_checkuser(user, &errstr) < 0) {
-                               yyerror(errstr);
+                               yyerror("%s", errstr);
                                YYERROR;
                        }
                        user = NULL;


-- 
I'm not entirely sure you are real.