package/privoxy: security bump to version 3.0.33

Fixes the following security issues:

  - cgi_error_no_template(): Encode the template name to prevent
    XSS (cross-site scripting) when Privoxy is configured to servce
    the user-manual itself.
    Commit 0e668e9409c. OVE-20211102-0001. CVE-2021-44543.
    Reported by: Artem Ivanov

  - get_url_spec_param(): Free memory of compiled pattern spec
    before bailing.
    Reported by Joshua Rogers (Opera) who also provided the fix.
    Commit 652b4b7cb0. OVE-20211201-0003. CVE-2021-44540.

  - process_encrypted_request_headers(): Free header memory when
    failing to get the request destination.
    Reported by Joshua Rogers (Opera) who also provided the fix.
    Commit 0509c58045. OVE-20211201-0002. CVE-2021-44541.

  - send_http_request(): Prevent memory leaks when handling errors
    Reported by Joshua Rogers (Opera) who also provided the fix.
    Commit c48d1d6d08. OVE-20211201-0001. CVE-2021-44542.

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>

package/privoxy/privoxy.hash

@@ -1,6 +1,6 @@
-# From https://sourceforge.net/projects/ijbswa/files/Sources/3.0.32%20%28stable%29/
-md5  3a0a8ebdf80e0a29154683e74cbf510b  privoxy-3.0.32-stable-src.tar.gz
-sha1  3a298ab2599fc92555c86dc29a37742d7396a0d3  privoxy-3.0.32-stable-src.tar.gz
+# From https://sourceforge.net/projects/ijbswa/files/Sources/3.0.33%20%28stable%29/
+md5  d6caf3eaad4812f0658b68d5b3ba3a06  privoxy-3.0.33-stable-src.tar.gz
+sha1  688da305077d8ecbcf6423e02201f01f7a7098f4  privoxy-3.0.33-stable-src.tar.gz
 # Locally computed
-sha256  c61de4008c62445ec18f1f270407cbf2372eaba93beaccdc9e3238bb2defeed7  privoxy-3.0.32-stable-src.tar.gz
+sha256  04b104e70dac61561b9dd110684b250fafc8c13dbe437a60fae18ddd9a881fae  privoxy-3.0.33-stable-src.tar.gz
 sha256  8177f97513213526df2cf6184d8ff986c675afb514d4e68a404010521b880643  LICENSE

package/privoxy/privoxy.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-PRIVOXY_VERSION = 3.0.32
+PRIVOXY_VERSION = 3.0.33
 PRIVOXY_SITE = http://downloads.sourceforge.net/project/ijbswa/Sources/$(PRIVOXY_VERSION)%20%28stable%29
 PRIVOXY_SOURCE = privoxy-$(PRIVOXY_VERSION)-stable-src.tar.gz
 # configure not shipped