r18088: sometimes autoconf picks up some old stuff:

- remove configure and config.h.in
- cleanup after autoconf and autoheader are done

metze
(This used to be commit c4f91114a3)

source4/lib/replace/autogen.sh

@@ -1,10 +1,13 @@
 #!/bin/sh
 
 rm -rf autom4te.cache
+rm -f configure config.h.in
 
 autoheader || exit 1
 autoconf || exit 1
 
+rm -rf autom4te.cache
+
 echo "Now run ./configure and then make."
 exit 0