Don't include dwz support by default.

By default the dwz multi file support is not included.  This means any
DW_FORM_GNU_ref_alt or DW_FORM_GNU_strp_alt encountered in libdw will
just produce an error message.  A new configure option --enable-dwz is
needed to include it for those we wish to test it.  The dwz test is also
disabled by default.

Signed-off-by: Mark Wielaard <mjw@redhat.com>
diff --git a/tests/ChangeLog b/tests/ChangeLog
index f0c83e6..825b98a 100644
--- a/tests/ChangeLog
+++ b/tests/ChangeLog
@@ -1,3 +1,8 @@
+2012-08-24  Mark Wielaard  <mjw@redhat.com>
+
+	* Makefile.am (TESTS): Only add run-readelf-dwz-multi.sh if
+	ENABLE_DWZ.
+
 2012-08-16  Mark Wielaard  <mjw@redhat.com>
 
 	* allregs.c (dwarf_encoding_string): Rewritten using known-dwarf