FFMPEG: bump, fix for libavdevice (#2888)

media-video/ffmpeg/patches/ffmpeg-4.0.2.patchset

@@ -0,0 +1,50 @@
+From 6ed8a346799f20ba114b314d1054a30add1c4044 Mon Sep 17 00:00:00 2001
+From: Jerome Duval <jerome.duval@gmail.com>
+Date: Mon, 16 Oct 2017 18:31:07 +0200
+Subject: disable ebx on x86.
+
+
+diff --git a/configure b/configure
+index dee507c..f0d0c09 100755
+--- a/configure
++++ b/configure
+@@ -6678,6 +6678,7 @@ enabled avresample && warn "Building with deprecated library libavresample"
+ if test $target_os = "haiku"; then
+     disable memalign
+     disable posix_memalign
++    enabled x86_32 && enabled shared && disable ebx_available
+ fi
+ 
+ flatten_extralibs(){
+-- 
+2.16.2
+
+
+From f449ce0153359ef24e5afbf49144c539be92f789 Mon Sep 17 00:00:00 2001
+From: Adrien Destugues <pulkomandy@pulkomandy.tk>
+Date: Fri, 2 Feb 2018 11:39:47 +0100
+Subject: Re-enable memalign for Haiku
+
+This had been disabled in 2011:
+https://lists.ffmpeg.org/pipermail/ffmpeg-cvslog/2011-June/038362.html
+
+If there are still problems with it we should rather fix them on Haiku
+side.
+
+
+diff --git a/configure b/configure
+index f0d0c09..cd5dbf3 100755
+--- a/configure
++++ b/configure
+@@ -6676,8 +6676,6 @@ enabled threads && ! enabled pthreads && ! enabled atomics_native && die "non pt
+ enabled avresample && warn "Building with deprecated library libavresample"
+ 
+ if test $target_os = "haiku"; then
+-    disable memalign
+-    disable posix_memalign
+     enabled x86_32 && enabled shared && disable ebx_available
+ fi
+ 
+-- 
+2.16.2
+