Just use autoreconf in autogen.sh (ticket rpm-software-management#109)

- instead of doing stuff by "hand" and getting it wrong, let autoreconf
  worry about getting it right (if nothing else, we can then blame
  autoreconf instead of ourselves ;)

autogen.sh

@@ -4,22 +4,7 @@ export CPPFLAGS
 export CFLAGS
 export LDFLAGS
 
-libtoolize=`which glibtoolize 2>/dev/null`
-case $libtoolize in
-/*) ;;
-*)  libtoolize=`which libtoolize 2>/dev/null`
-    case $libtoolize in
-    /*) ;;
-    *)  libtoolize=libtoolize
-    esac
-esac
-
-$libtoolize --copy --force
-autopoint --force
-aclocal
-autoheader
-automake -a -c
-autoconf
+autoreconf -i
 
 case "$1" in
   "--noconfigure")