update htslib submodule

lomereiter · lomereiter · commit 1933ca48323b · 2015-01-08T12:35:01.000+03:00
diff --git a/htslib b/htslib
@@ -1 +1 @@
-Subproject commit 52bd23a45406d56cc3f82c08e9fa9c741d4a4316
+Subproject commit ea23f874c74498197f759ecabe4624c1e7755199
