Fix a bug that was causing instability when soxr interpolalation is chosen

diff --cc configure.ac
index 7c3149ed79c8b833b7d5c2f34ffd799fd2b94f4b,f047fc15d4fcc143ccbe99c34e53bc04c3c65ef0..ed9e10675996168d98625be840b6d084d93f0894
--- 1/configure.ac
--- 2/configure.ac
+++ b/configure.ac
@@@ -2,7 -2,7 +2,7 @@@
  # Process this file with autoconf to produce a configure script.
  
  AC_PREREQ([2.50])
- AC_INIT([shairport-sync], [3.2], [mikebrady@eircom.net])
 -AC_INIT([shairport-sync], [3.2d67], [mikebrady@eircom.net])
++AC_INIT([shairport-sync], [3.2.1], [mikebrady@eircom.net])
  AM_INIT_AUTOMAKE
  AC_CONFIG_SRCDIR([shairport.c])
  AC_CONFIG_HEADERS([config.h])