Fix aclocal warning:
/usr/share/aclocal/libmikmod.m4:11: warning: underquoted definition of AM_PATH_LIBMIKMOD
--- libmikmod-3.1.11/libmikmod.m4
+++ libmikmod-3.1.11/libmikmod.m4
@@ -10,3 +10,3 @@
 dnl
-AC_DEFUN(AM_PATH_LIBMIKMOD,
+AC_DEFUN([AM_PATH_LIBMIKMOD],
 [dnl