rhash: fix endian detection on musl.

srcpkgs/rhash/template

@@ -1,7 +1,7 @@
 # Template file for 'rhash'
 pkgname=rhash
 version=1.3.3
-revision=1
+revision=2
 wrksrc="RHash-${version}"
 build_style=gnu-makefile
 conf_files="/etc/rhashrc"
@@ -12,6 +12,10 @@ homepage="https://github.com/rhash/RHash"
 distfiles="https://github.com/rhash/RHash/archive/v${version}.tar.gz"
 checksum=60272e1955a9655308ebe64b1240d76906a7ea8fab81baaab706560fc4251838
 
+post_extract() {
+	sed -i 's/__GLIBC__/__linux__/' librhash/byte_order.h
+}
+
 post_install() {
 	vlicense COPYING
 }