Fix compilation with no-nextprotoneg.

PR#3106
diff --git a/util/ssleay.num b/util/ssleay.num
index 13918d3..243484e 100755
--- a/util/ssleay.num
+++ b/util/ssleay.num
@@ -315,7 +315,7 @@
 SSL_get0_next_proto_negotiated          356	EXIST::FUNCTION:NEXTPROTONEG
 SSL_get_selected_srtp_profile           357	EXIST::FUNCTION:
 SSL_CTX_set_tlsext_use_srtp             358	EXIST::FUNCTION:
-SSL_select_next_proto                   359	EXIST::FUNCTION:NEXTPROTONEG
+SSL_select_next_proto                   359	EXIST::FUNCTION:TLSEXT
 SSL_get_srtp_profiles                   360	EXIST::FUNCTION:
 SSL_CTX_set_next_proto_select_cb        361	EXIST:!VMS:FUNCTION:NEXTPROTONEG
 SSL_CTX_set_next_proto_sel_cb           361	EXIST:VMS:FUNCTION:NEXTPROTONEG