Fix compiler warning.

diff --git a/modules/core/m_message.c b/modules/core/m_message.c
index 8f6e7eb898b1545cef5aa2a68908b7b8be0bfc2d..fc0089494575dc7f19a9ead0bec5e1ce65961059 100644 (file)
--- a/modules/core/m_message.c
+++ b/modules/core/m_message.c
@@ -580,7 +580,7 @@ add_target(struct Client *source_p, struct Client *target_p)
        if(source_p->localClient->target_last > CurrentTime && IsOper(target_p))
                return 1;
 
-       hashv = fnv_hash_upper(use_id(target_p), 32);
+       hashv = fnv_hash_upper((const unsigned char *)use_id(target_p), 32);
 
        if(USED_TARGETS(source_p))
        {