darwin-mapper: Fix TLV init runtime code for arm64 #1636

Job	Run time
gir	43s
mobile (ios-arm64)	1m 19s
cross (windows-x86_64-mingw, --host=x86_64-w64-mingw32 --without-prebuilds=sdk:host, g++-mingw-w6...	4m 12s
mobile (android-x86)	21s
native (windows-x86_64, "windows-latest")	3m 0s
cross (windows-x86-mingw, --host=i686-w64-mingw32 --without-prebuilds=sdk:host, g++-mingw-w64-i686)	3m 20s
mobile (android-x86_64)	19s
manylinux (x86)	2m 30s
native (windows-x86, "windows-latest")	3m 1s
cross (linux-mips, --host=mips-linux-gnu, g++-mips-linux-gnu)	1m 28s
mobile (android-arm)	16s
native (macos-x86_64, "macos-13")	3m 13s
manylinux (x86_64)	2m 16s
cross (linux-mipsel, --host=mipsel-linux-gnu, g++-mipsel-linux-gnu)	1m 17s
mobile (android-arm64)	14s
cross (linux-mips64, --host=mips64-linux-gnuabi64, g++-mips64-linux-gnuabi64)	1m 29s
manylinux (x86_64-musl)	1m 59s
native (macos-arm64, "macos-latest")	1m 46s
manylinux (armhf)	2m 1s
cross (linux-mips64el, --host=mips64el-linux-gnuabi64, g++-mips64el-linux-gnuabi64)	1m 19s
native (linux-x86_64, "ubuntu-latest")	1m 56s
qnx-armeabi	3m 6s
manylinux (arm64)	2m 10s
native (linux-x86, "ubuntu-latest")	2m 11s
native (freebsd-arm64, ["self-hosted", "freebsd", "arm64"])	1s
manylinux (arm64-musl)	2m 4s
manylinux (mips)	1m 38s
manylinux (mipsel)	1m 31s
manylinux (mips64)	1m 33s
manylinux (mips64el)	1m 34s
	53m 47s

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