configure.ac: remove unneeded include

All files in AC_CONFIG_MACRO_DIR are included by default.

diff --git a/configure.ac b/configure.ac
index cbad867..00735df 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -11,8 +11,6 @@ dnl we don't really need the 'u' even in older toolchains.  Then there is
 dnl older libtool, which spelled it AR_FLAGS
 m4_divert_text([DEFAULTS], [: "${ARFLAGS=cr} ${AR_FLAGS=cr}"])
 
-m4_include([m4/ax_compare_version.m4])
-
 LT_INIT([dlopen disable-static])
 
 AM_INIT_AUTOMAKE([subdir-objects tar-pax dist-bzip2 no-dist-gzip foreign])