doh: add error message for DOH_DNS_NAME_TOO_LONG

When this error code was introduced in b6a53fff6c1d07e8a9, it was
forgotten to be added in the errors array and doh_strerror function.

Closes #5863

1 files changed, 3 insertions, 2 deletions

diff --git a/lib/doh.c b/lib/doh.c
index 8bc3428ff..31c243883 100644
--- a/lib/doh.c
+++ b/lib/doh.c
@@ -57,12 +57,13 @@ static const char * const errors[]={
   "Unexpected TYPE",
   "Unexpected CLASS",
   "No content",
-  "Bad ID"
+  "Bad ID",
+  "Name too long"
 };
 
 static const char *doh_strerror(DOHcode code)
 {
-  if((code >= DOH_OK) && (code <= DOH_DNS_BAD_ID))
+  if((code >= DOH_OK) && (code <= DOH_DNS_NAME_TOO_LONG))
     return errors[code];
   return "bad error code";
 }