[aravis] build: Makefile.decl and gtk-doc.make both try to define EXTRA_DIST

[Emmanuel Pacaud <emmanuel src gnome org>]

commit dd05cfab9d11843b0fd08ce40ffb212f8340ecc7
Author: Emmanuel Pacaud <emmanuel gnome org>
Date:   Wed May 26 15:04:18 2010 +0200

    build: Makefile.decl and gtk-doc.make both try to define EXTRA_DIST
    
    Remove the EXTRA_DIST line in Makefile.decl, and fix warnings in Makefile.am
    files.

 Makefile.am     |    2 ++
 Makefile.decl   |    1 -
 src/Makefile.am |    2 ++
 3 files changed, 4 insertions(+), 1 deletions(-)
---
diff --git a/Makefile.am b/Makefile.am
index c311329..67eda23 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -1,3 +1,5 @@
+EXTRA_DIST =
+
 include $(top_srcdir)/Makefile.decl
 
 ACLOCAL_AMFLAGS = -I m4
diff --git a/Makefile.decl b/Makefile.decl
index 4c14ff8..092a0f3 100644
--- a/Makefile.decl
+++ b/Makefile.decl
@@ -4,7 +4,6 @@ GTESTER = gtester
 GTESTER_REPORT = gtester-report
 
 # initialize variables for unconditional += appending
-EXTRA_DIST =
 TEST_PROGS =
 
 ### testing rules
diff --git a/src/Makefile.am b/src/Makefile.am
index 6e90627..0f4db64 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -1,3 +1,5 @@
+EXTRA_DIST =
+
 include $(top_srcdir)/Makefile.decl
 
 SUBDIRS = . tests