configure.ac

-AC_INIT([webrtc-audio-processing], [0.3])
+AC_INIT([webrtc-audio-processing], [0.3.1])
 AM_INIT_AUTOMAKE([dist-xz subdir-objects tar-ustar])
 
 AC_SUBST(LIBWEBRTC_AUDIO_PROCESSING_VERSION_INFO, [1:0:0])
@@ -20,7 +20,7 @@ AC_LANG_CPLUSPLUS
 AC_ARG_WITH([ns-mode],
 	    AS_HELP_STRING([--with-ns-mode=float|fixed], [Noise suppresion mode to use. Default is float]))
 
-AS_CASE(["x${with_ns_mode}"],
+AS_CASE(["${with_ns_mode}"],
 	["fixed"], [NS_FIXED=1],
 	["float"], [NS_FIXED=0],
 	[NS_FIXED=0])