[libxml2] Fix devhelp documentation installation

[Daniel Veillard <veillard src gnome org>]

commit 3c79510d90965e77fb0cabb385099a564c402d0c
Author: Mike Hommey <mh glandium org>
Date:   Fri Oct 15 18:50:41 2010 +0200

    Fix devhelp documentation installation
    
    When doing an out of tree build

 doc/devhelp/Makefile.am |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/doc/devhelp/Makefile.am b/doc/devhelp/Makefile.am
index 0264010..0200e3e 100644
--- a/doc/devhelp/Makefile.am
+++ b/doc/devhelp/Makefile.am
@@ -67,7 +67,7 @@ libxml2.devhelp $(HTML_FILES): devhelp.xsl html.xsl $(top_srcdir)/doc/libxml2-ap
 
 install-data-local: 
 	$(mkinstalldirs) $(DESTDIR)$(DEVHELP_DIR)
-	- INSTALL@ -m 0644 libxml2.devhelp $(DESTDIR)$(DEVHELP_DIR)
-	- INSTALL@ -m 0644 $(EXTRA_FORMAT) $(DESTDIR)$(DEVHELP_DIR)
-	- INSTALL@ -m 0644 $(HTML_FILES) $(DESTDIR)$(DEVHELP_DIR)
+	- INSTALL@ -m 0644 $(srcdir)/libxml2.devhelp $(DESTDIR)$(DEVHELP_DIR)
+	- INSTALL@ -m 0644 $(EXTRA_FORMAT:%=$(srcdir)/%) $(DESTDIR)$(DEVHELP_DIR)
+	- INSTALL@ -m 0644 $(HTML_FILES:%=$(srcdir)/%) $(DESTDIR)$(DEVHELP_DIR)