asio: update to 1.18.1.

srcpkgs/asio/template

@@ -1,6 +1,6 @@
 # Template file for 'asio'
 pkgname=asio
-version=1.18.0
+version=1.18.1
 revision=1
 build_style=gnu-configure
 short_desc="Cross-platform C++ library for ASynchronous network I/O"
@@ -8,15 +8,7 @@ maintainer="Orphaned <orphan@voidlinux.org>"
 license="BSL-1.0"
 homepage="http://think-async.com/Asio/"
 distfiles="${SOURCEFORGE_SITE}/asio/asio-${version}.tar.bz2"
-checksum=9d539e7c09aa6394d512c433c5601c1f26dc4975f022ad7d5e8e57c3b635b370
-
-pre_configure() {
-	case "$XBPS_TARGET_MACHINE" in
-		*-musl) # Enable strerror_r(3) version for musl libc
-			vsed -e "/#define ASIO_IMPL_ERROR_CODE_IPP/a #define MUSL_LIBC" \
-				-i ${wrksrc}/include/asio/impl/error_code.ipp
-	esac
-}
+checksum=4af9875df5497fdd507231f4b7346e17d96fc06fe10fd30e2b3750715a329113
 
 post_install() {
 	vlicense LICENSE_1_0.txt