[clutter/clutter-1.20] build: Drop the full path for headers

[Emmanuele Bassi <ebassi src gnome org>]

commit 5e6102c05bd84dcabe03c19e850caf7d2ab55c5a
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Thu Apr 23 20:34:51 2015 +0100

    build: Drop the full path for headers
    
    We don't need it any more.

 clutter/Makefile.am |   10 ++--------
 1 files changed, 2 insertions(+), 8 deletions(-)
---
diff --git a/clutter/Makefile.am b/clutter/Makefile.am
index 260cb95..d4093e3 100644
--- a/clutter/Makefile.am
+++ b/clutter/Makefile.am
@@ -803,14 +803,8 @@ pkgconfigdir = $(libdir)/pkgconfig
 pkgconfig_DATA = $(pc_files)
 DISTCLEANFILES += $(pc_files)
 
-clutter_include_HEADERS = \
-       $(source_h) \
-       $(top_srcdir)/clutter/clutter.h \
-       $(top_builddir)/clutter/clutter-version.h
-
-nodist_clutter_include_HEADERS = \
-       $(top_builddir)/clutter/clutter-config.h \
-       $(built_source_h)
+clutter_include_HEADERS = $(source_h) clutter.h clutter-version.h
+nodist_clutter_include_HEADERS = clutter-config.h $(built_source_h)
 
 clutter_deprecated_HEADERS = $(deprecated_h)