make downloading busybox apk fails with 404 Not Found

[tv42]

$ git clean -fdx
$ git describe
v0.8.1-28-ga38822a
$ make
./fetch_binaries.sh
+ ALPINE_VERSION=v3.8
+ ALPINE_MIRROR=http://dl-cdn.alpinelinux.org/alpine/
+ APK_TOOLS=apk-tools-static-2.10.1-r0.apk
+ BUSYBOX=busybox-static-1.28.4-r1.apk
+ ALPINE_KEYS=alpine-keys-2.1-r1.apk
+ ARCH=x86_64
+ SHA1SUMS_x86_64=6a669b68be304249d5d3398b8db2cc5cc23674bf  apk-tools-static-2.10.1-r0.apk
e14d923f6e24f7a47bb0d8bd1cd8d0d6868d8ae8  busybox-static-1.28.4-r1.apk
4dd03fa0dfeefdd81ac13d77e0d3ed069821de33  alpine-keys-2.1-r1.apk
+ SHA1SUMS_armhf=b30f18f5743d13f1845577e98e629a93c49212a4  apk-tools-static-2.10.1-r0.apk
26a281d4c940e00eba6c9d0772acb1fb56731c32  busybox-static-1.28.4-r1.apk
a10caf9d8162d5ca16fc77729cfebf9c79d8c87b  alpine-keys-2.1-r1.apk
+ FETCH_DIR=alpine/x86_64
+ mkdir -p alpine/x86_64
+ cd alpine/x86_64
+ wget --no-use-server-timestamp http://dl-cdn.alpinelinux.org/alpine/v3.8/main/x86_64/apk-tools-static-2.10.1-r0.apk -O apk-tools-static-2.10.1-r0.apk
--2019-08-22 17:54:45--  http://dl-cdn.alpinelinux.org/alpine/v3.8/main/x86_64/apk-tools-static-2.10.1-r0.apk
Resolving dl-cdn.alpinelinux.org (dl-cdn.alpinelinux.org)... 151.101.24.249, 2a04:4e42::249, 2a04:4e42:200::249, ...
Connecting to dl-cdn.alpinelinux.org (dl-cdn.alpinelinux.org)|151.101.24.249|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 801363 (783K) [application/octet-stream]
Saving to: ‘apk-tools-static-2.10.1-r0.apk’

apk-tools-static-2.10.1-r0.apk                   100%[==========================================================================================================>] 782.58K   386KB/s    in 2.0s

2019-08-22 17:54:48 (386 KB/s) - ‘apk-tools-static-2.10.1-r0.apk’ saved [801363/801363]

+ wget --no-use-server-timestamp http://dl-cdn.alpinelinux.org/alpine/v3.8/main/x86_64/busybox-static-1.28.4-r1.apk -O busybox-static-1.28.4-r1.apk
--2019-08-22 17:54:48--  http://dl-cdn.alpinelinux.org/alpine/v3.8/main/x86_64/busybox-static-1.28.4-r1.apk
Resolving dl-cdn.alpinelinux.org (dl-cdn.alpinelinux.org)... 151.101.24.249, 2a04:4e42:600::249, 2a04:4e42:400::249, ...
Connecting to dl-cdn.alpinelinux.org (dl-cdn.alpinelinux.org)|151.101.24.249|:80... connected.
HTTP request sent, awaiting response... 404 Not Found
2019-08-22 17:54:48 ERROR 404: Not Found.

make: *** [Makefile:31: apk] Error 8
[EXIT:2] tv@dark ~/src/others/vagga$

[tailhook]

Fixed in master