gnutls: allow building with nghttp2 but without ALPN support

It might not be the most useful combo, but...

diff --git a/lib/vtls/gtls.c b/lib/vtls/gtls.c
index 628ae2138e327bac7e8134d35d53a730646d820c..f77ce66c67caca5ae2fa5ce2f4ffd47eb736fd3f 100644 (file)
--- a/lib/vtls/gtls.c
+++ b/lib/vtls/gtls.c
@@ -94,8 +94,6 @@ static bool gtls_inited = FALSE;
 #    undef HAS_ALPN
 #    if (GNUTLS_VERSION_NUMBER >= 0x030200)
 #      define HAS_ALPN
-#    else
-#      error http2 builds require GnuTLS >= 3.2.0 for ALPN support
 #    endif
 #  endif
 #endif