[libxml2] fix build error in libxml2/python

[Daniel Veillard <veillard src gnome org>]

commit 38af74f7b18af17097c1888bc4c96ab6a30e3bdf
Author: Paul Smith <psmith gnu org>
Date:   Mon Mar 15 10:22:25 2010 +0100

    fix build error in libxml2/python
    
    There are missing $(srcdir) values in libxml2/python/Makefile.am which
    cause it to fail if built remote from out of tree.

 python/Makefile.am |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/python/Makefile.am b/python/Makefile.am
index 8f148b1..3cf87e7 100644
--- a/python/Makefile.am
+++ b/python/Makefile.am
@@ -29,11 +29,11 @@ mylibs = \
 
 python_LTLIBRARIES = libxml2mod.la
 
-libxml2mod_la_SOURCES = libxml.c types.c
+libxml2mod_la_SOURCES = $(srcdir)/libxml.c $(srcdir)/types.c
 nodist_libxml2mod_la_SOURCES = libxml2-py.c
 libxml2mod_la_LIBADD = $(mylibs) @CYGWIN_EXTRA_PYTHON_LIBADD@ @PYTHON_LIBS@
 
-libxml.c: libxml2-py.h # to generate before to compile
+$(srcdir)/libxml.c: libxml2-py.h # to generate before to compile
 
 
 libxml2.py: $(srcdir)/libxml.py libxml2class.py