Remove warnings about underquoted definitions for glib and libaudiofile .

Legacy-ID: 2913

acinclude.m4

@@ -7,7 +7,7 @@ dnl AM_PATH_GLIB([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND [, MO
 dnl Test for GLIB, and define GLIB_CFLAGS and GLIB_LIBS, if "gmodule" or 
 dnl gthread is specified in MODULES, pass to glib-config
 dnl
-AC_DEFUN(AM_PATH_GLIB,
+AC_DEFUN([AM_PATH_GLIB],
 [dnl 
 dnl Get the cflags and libraries from the glib-config script
 dnl
@@ -423,7 +423,7 @@ main ()
 dnl AM_PATH_AUDIOFILE([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
 dnl Test for Audio File Library, and define AUDIOFILE_CFLAGS and AUDIOFILE_LIBS.
 dnl
-AC_DEFUN(AM_PATH_AUDIOFILE,
+AC_DEFUN([AM_PATH_AUDIOFILE],
 [dnl 
 dnl Get compiler flags and libraries from the audiofile-config script.
 dnl

hacking/ChangeLog

@@ -173,3 +173,4 @@
 20070529 Makefile.am,acinclude.m4,audio2tape.c,configure.in,
          man/{Makefile.am,audio2tape.1}: add new audio file to tape image
          convertor (part of patch #1725974) (Fred).
+20070530 Remove warnings about underquoted definitions (Stuart).