libradiotap: update to 2020-06-22

Fixes compilation with GCC10.

Signed-off-by: Rosen Penev <rosenp@gmail.com>

libs/libradiotap/Makefile

@@ -6,13 +6,13 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=libradiotap
-PKG_VERSION:=2019-04-15
+PKG_VERSION:=2020-06-22
 PKG_RELEASE:=1
 
 PKG_SOURCE_PROTO:=git
 PKG_SOURCE_URL:=https://github.com/radiotap/radiotap-library.git
-PKG_SOURCE_VERSION:=1ca6b4f0d7225971ebcadf575c8f9e00ee55e840
-PKG_MIRROR_HASH:=59d2350d569c4027ca1b23ebbe3519852e194184c1aaa04308712235f387e422
+PKG_SOURCE_VERSION:=94984dd829a605a2d7af55241145c159607f3b30
+PKG_MIRROR_HASH:=00398c48cac5bf34e6e363b650233353413e232fd2fc7851ccd0a52a20122e1c
 
 PKG_MAINTAINER:=Nick Hainke <vincent@systemli.org>
 PKG_LICENSE:=ISC