lalmetaio: mark as version 4.0.1

lalmetaio/configure.ac

 AC_PREREQ([2.63])
-AC_INIT([LALMetaIO],[4.0.0.1],[lal-discuss@ligo.org])
+AC_INIT([LALMetaIO],[4.0.1],[lal-discuss@ligo.org])
 AC_CONFIG_HEADERS([lib/config.h lib/LALMetaIOConfig.h])
 AC_CONFIG_SRCDIR([lib/LIGOLwXML.c])
 AC_CONFIG_AUX_DIR([gnuscripts])