http: create function to get curl allowed protocols

diff --git a/RelNotes b/RelNotes
index 47d7319392f128caf7de436e53a5e501d798c613..a5f3cbf5398f89eefca6c65158084cdd90615dee 120000 (symlink)
--- a/RelNotes
+++ b/RelNotes
@@ -1 +1 @@
-Documentation/RelNotes/1.7.9.2.txt
\ No newline at end of file
+Documentation/RelNotes/2.9.4.txt
\ No newline at end of file