fixed a breakage raised by Jacob Daniel

* Makefile.am: fixed a breakage raised by Jacob
Daniel
diff --git a/Makefile.am b/Makefile.am
index a3edb29..8e60f53 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -3,6 +3,8 @@
 
 SUBDIRS = include . doc example @PYTHON_SUBDIR@
 
+DIST_SUBDIRS = include . doc example python
+
 INCLUDES = -I@srcdir@/include -I$(top_builddir)/include @THREAD_CFLAGS@ @Z_CFLAGS@ 
 
 noinst_PROGRAMS=testSchemas testSAX testHTML testXPath testURI testDocbook \