Update remaining links to https.

Prefer the secure protocol by default. We do not update schema
links since they're often standardized with protocol included.

Note that the link to the Windows certificate store patch
in the openssl.org bug tracker requires a login now.

doc/release.md

@@ -52,7 +52,7 @@ tag on the github mirror https://github.com/xiph/opusfile/releases
   to make sure you've included all the necessary libraries.
 - Upload the archive zipfile to websites.
 - Verify file permissions and that it's available at the expected URL.
-- Update links on <http://www.opus-codec.org/downloads/>.
+- Update links on <https://www.opus-codec.org/downloads/>.
 
 Binary releases are copied manually to s3 to appear at
 https://archive.mozilla.org/pub/mozilla.org/opus/win32/

src/http.c

@@ -564,7 +564,7 @@ static int op_parse_url_impl(OpusParsedURL *_dst,const char *_src){
   /*Discard the <fragment> component, if any.
     This doesn't get sent to the server.
     Some day we should add support for Media Fragment URIs
-     <http://www.w3.org/TR/media-frags/>.*/
+     <https://www.w3.org/TR/media-frags/>.*/
   if(*path_end=='#')uri_end=path_end+1+strspn(path_end+1,OP_URL_QUERY_FRAG);
   else uri_end=path_end;
   /*If there's anything left, this was not a valid URL.*/

src/wincerts.c

@@ -14,7 +14,7 @@
    in their bugtracker for over two years that implements this, without any
    action, so I'm giving up and re-implementing it locally.
 
-  [1] <http://rt.openssl.org/Ticket/Display.html?id=2158>*/
+  [1] <https://rt.openssl.org/Ticket/Display.html?id=2158>*/
 
 #ifdef HAVE_CONFIG_H
 #include "config.h"