[nautilus] Properly include m4 macros

[Tomas Bzatek <tbzatek src gnome org>]

commit a2ab15477e2e2d13642567316788e12b5ace8504
Author: Tomas Bzatek <tbzatek redhat com>
Date:   Mon May 11 15:00:47 2009 +0200

    Properly include m4 macros
    
    fixes error messages like:
    ./configure: line 19939: syntax error near unexpected token `m4,'
    ./configure: line 19939: `SHAVE_INIT(m4, enable)'
---
 Makefile.am |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/Makefile.am b/Makefile.am
index e5478f5..da1af12 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -42,6 +42,8 @@ DISTCLEANFILES = \
 
 DISTCHECK_CONFIGURE_FLAGS = --disable-update-mimedb --enable-gtk-doc
 
+ACLOCAL_AMFLAGS = -I m4
+
 distclean-local:
 	if test $(srdcir) = .; then :; else \
 		rm -f ChangeLog; \