[build] autoconf: report if building with zstd
@@ -1727,6 +1727,9 @@ lighty_track_feature "compress-bzip2" "" \
lighty_track_feature "compress-brotli" "" \
'test "$WITH_BROTLI" != no'
+lighty_track_feature "compress-zstd" "" \
+ 'test "$WITH_ZSTD" != no'
+
lighty_track_feature "kerberos" "mod_authn_gssapi" \
'test "$WITH_KRB5" != no'
