nbdkit: Upgrade 1.48.0 -> 1.49.4

Upgrade to release 1.49.4:

- vddk: Deprecate this plugin
- server/public.c: Try harder to make a timestamp

Signed-off-by: Leon Anavi <leon.anavi@konsulko.com>
Signed-off-by: Khem Raj <khem.raj@oss.qualcomm.com>

meta-networking/recipes-support/nbdkit/nbdkit/0002-plugins-Avoid-absolute-buildpaths-in-binaries.patch

@@ -1,4 +1,4 @@
-From b3854245f061d9ba2159bdb37197e1c711cbd9cd Mon Sep 17 00:00:00 2001
+From bf4de45f582a07410435399c0e11c1acaee9edd7 Mon Sep 17 00:00:00 2001
 From: Khem Raj <raj.khem@gmail.com>
 Date: Mon, 22 May 2023 18:16:24 -0700
 Subject: [PATCH] plugins: Avoid absolute buildpaths in binaries

meta-networking/recipes-support/nbdkit/nbdkit_1.49.4.bb

@@ -12,7 +12,7 @@ LIC_FILES_CHKSUM = "file://LICENSE;md5=26250adec854bc317493f6fb98efe049"
 SRC_URI = "git://gitlab.com/nbdkit/nbdkit.git;protocol=https;branch=master;tag=v${PV} \
            file://0002-plugins-Avoid-absolute-buildpaths-in-binaries.patch \
            "
-SRCREV = "111be961359500291bd3792317b042d72bef5efd"
+SRCREV = "9ac3038efcb2d9be603788bfb7e1b1ba2eb06f57"
 
 
 DEPENDS = "curl xz e2fsprogs zlib"