Contribs: update SRT to 1.4.4

(cherry picked from commit 9a289291)

Signed-off-by: Steve Lhomme <robux4@ycbcr.xyz>

contrib/src/srt/SHA512SUMS

-4c978e3898737e566f47222a0095df1b49591d79927850cc94c838b7eaccf401faf1c5d038fa45b6fd30c85f980e7c212a79c07ed6f9008430e8a5a594a31ffe  srt-1.4.2.tar.gz
+0d51e0ef73f4aa7eb284288cdbbd75b1c161969c2c2fed3a6d4e13a931341ca41dfcf2d6c1b9728f72b43454a9fde3764da67a27af9f0c99a6818682e4f4d4ba  srt-1.4.4.tar.gz

contrib/src/srt/fix-gcc11-build.patch

-From f1b35cbf5b9b42b031e9b119e4c802b5f744468c Mon Sep 17 00:00:00 2001
-From: Christophe Giboudeaux <krop@users.noreply.github.com>
-Date: Wed, 10 Feb 2021 12:42:45 +0000
-Subject: [PATCH] [core] Fix build with GCC 11. (#1806)
-
-The 'limits' header must be included explicitly.
----
- srtcore/sync.h | 1 +
- 1 file changed, 1 insertion(+)
-
-diff --git a/srtcore/sync.h b/srtcore/sync.h
-index 59c125a75..9f01ca91e 100644
---- a/srtcore/sync.h
-+++ b/srtcore/sync.h
-@@ -15,6 +15,7 @@
- //#define ENABLE_CXX17
- 
- #include <cstdlib>
-+#include <limits>
- #ifdef ENABLE_STDCXX_SYNC
- #include <chrono>
- #include <thread>

contrib/src/srt/rules.mak

 # srt
 
-SRT_VERSION := 1.4.2
+SRT_VERSION := 1.4.4
 SRT_URL := $(GITHUB)/Haivision/srt/archive/v$(SRT_VERSION).tar.gz
 
 ifdef BUILD_NETWORK
@@ -24,7 +24,6 @@ $(TARBALLS)/srt-$(SRT_VERSION).tar.gz:
 srt: srt-$(SRT_VERSION).tar.gz .sum-srt
 	$(UNPACK)
 	$(APPLY) $(SRC)/srt/0001-core-ifdef-MSG_TRUNC-nixes-fix.patch
-	$(APPLY) $(SRC)/srt/fix-gcc11-build.patch
 	$(call pkg_static,"scripts/srt.pc.in")
 	mv srt-$(SRT_VERSION) $@ && touch $@