From: Michael R. Crusoe <michael.crusoe@gmail.com>
Subject: Also ship varint.h

It is needed for staden-io-lib

--- htscodecs.orig/Makefile.am
+++ htscodecs/Makefile.am
@@ -41,6 +41,7 @@
 	htscodecs/rANS_static4x16.h \
 	htscodecs/tokenise_name3.h \
 	htscodecs/pack.h \
+	htscodecs/varint.h \
 	htscodecs/rle.h
 
 EXTRA_DIST = README.md LICENSE.md
