[glib/g-property] gio: Fix srcdir != builddir build for docs

[Emmanuele Bassi <ebassi src gnome org>]

commit fce7a0fb6ef8fc4278d2f25b15a32db6e659456f
Author: Colin Walters <walters verbum org>
Date:   Tue Jul 5 09:42:39 2011 -0400

    gio: Fix srcdir != builddir build for docs

 docs/reference/gio/Makefile.am |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/docs/reference/gio/Makefile.am b/docs/reference/gio/Makefile.am
index c17b3f9..1913cf2 100644
--- a/docs/reference/gio/Makefile.am
+++ b/docs/reference/gio/Makefile.am
@@ -15,7 +15,8 @@ SCAN_OPTIONS=--deprecated-guards="G_DISABLE_DEPRECATED"
 # The directory containing the source code. Relative to $(srcdir)
 DOC_SOURCE_DIR=$(top_srcdir)/gio
 
-HFILE_GLOB=$(addprefix $(top_srcdir)/gio/,$(shell cat $(top_builddir)/gio/gio-public-headers.txt))
+BUILT_HFILES=gioenumtypes.h
+HFILE_GLOB=$(filter-out $(addprefix %/, $(BUILT_HFILES)), $(addprefix $(top_srcdir)/gio/,$(shell cat $(top_builddir)/gio/gio-public-headers.txt))) $(addprefix $(top_builddir)/gio/,$(BUILT_HFILES))
 CFILE_GLOB=$(top_srcdir)/gio/*.c
 
 # CFLAGS and LDFLAGS for compiling scan program. Only needed