component/trafficserver: Pick up duplicate header fix

The fix for https://github.com/apache/trafficserver/issues/11784 is ready
for 9 branch in https://github.com/apache/trafficserver/pull/11835 , so use
the patch directly until new version is released.

component/trafficserver/buildout.cfg

@@ -46,6 +46,7 @@ patch-options = -p1
 patches =
   ${:_profile_base_location_}/trafficserver-9.1.1-TSHttpTxnCacheLookupStatusGet-fix.patch#d8ed3db3a48e97eb72aaaf7d7598a2d2
   ${:_profile_base_location_}/trafficserver-9.1.1-via-string-rapid-cdn.patch#8c39243d7525222385d5964485734f99
+  ${:_profile_base_location_}/trafficserver-9.2.5-duplicate-header.patch#49246720f824e0b9fccb13dbd4ba49b7
 environment =
   PATH=${libtool:location}/bin:${make:location}/bin:${patch:location}/bin:${perl:location}/bin:${pkgconfig:location}/bin:%(PATH)s
   LDFLAGS =-L${openssl:location}/lib -Wl,-rpath=${openssl:location}/lib -L${tcl:location}/lib -Wl,-rpath=${tcl:location}/lib -L${zlib:location}/lib -Wl,-rpath=${zlib:location}/lib -Wl,-rpath=${luajit:location}/lib -L${ncurses:location}/lib -Wl,-rpath=${ncurses:location}/lib -lm

component/trafficserver/trafficserver-9.2.5-duplicate-header.patch

+diff -ur trafficserver-9.2.5.old/proxy/http/HttpTransact.cc trafficserver-9.2.5/proxy/http/HttpTransact.cc
+--- trafficserver-9.2.5.old/proxy/http/HttpTransact.cc	2024-07-23 23:42:39.000000000 +0200
++++ trafficserver-9.2.5/proxy/http/HttpTransact.cc	2024-11-04 16:26:40.842379904 +0100
+@@ -5123,6 +5123,17 @@
+           MIMEField &field2{*spot2};
+           name2 = field2.name_get(&name_len2);
+ 
++          // It is specified above that content type should not
++          // be altered here however when a duplicate header
++          // is present, all headers following are delete and
++          // re-added back. This includes content type if it follows
++          // any duplicate header. This leads to the loss of
++          // content type in the client response.
++          // This ensures that it is not altered when duplicate
++          // headers are present.
++          if (name2 == MIME_FIELD_CONTENT_TYPE) {
++            continue;
++          }
+           cached_header->field_delete(name2, name_len2);
+         }
+         dups_seen = true;
+Only in trafficserver-9.2.5/tests/gold_tests/headers: cachedDuplicateHeaders.test.py
+Only in trafficserver-9.2.5/tests/gold_tests/headers/replays: cache-test.replay.yaml