rsync: fix missing ipv6 support

pkgs/applications/networking/sync/rsync/configure.ac-fix-failing-IPv6-check.patch

@@ -0,0 +1,12 @@
+diff -rup rsync-3.2.7/configure.sh rsync-3.2.7-fixed/configure.sh
+--- rsync-3.2.7/configure.sh	2022-10-20 17:57:22
++++ rsync-3.2.7-fixed/configure.sh	2024-01-01 19:51:58
+@@ -7706,7 +7706,7 @@ else $as_nop
+ #include <stdlib.h>
+ #include <sys/types.h>
+ #include <sys/socket.h>
+-main()
++int main()
+ {
+    if (socket(AF_INET6, SOCK_STREAM, 0) < 0)
+      exit(1);

pkgs/applications/networking/sync/rsync/default.nix

@@ -34,6 +34,8 @@ stdenv.mkDerivation rec {
     # https://github.com/WayneD/rsync/issues/511#issuecomment-1774612577
     # original source: https://build.opensuse.org/package/view_file/network/rsync/rsync-fortified-strlcpy-fix.patch?expand=1&rev=3f8dd2f4a404c96c0f69176e60893714
     ./rsync-fortified-strlcpy-fix.patch
+    # https://github.com/WayneD/rsync/pull/558
+    ./configure.ac-fix-failing-IPv6-check.patch
   ];
 
   buildInputs = [ libiconv zlib popt ]