fix out of tree builds

This allows you to build out of tree like:
	mkdir build
	../configure
	make

This also fixes `make distcheck` since that uses the above mechanism.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Jeff Mahoney <jeffm@suse.com>

Makefile.am

@@ -1,8 +1,3 @@
 SUBDIRS = include lib reiserfscore fsck debugreiserfs resize_reiserfs mkreiserfs tune
 
-noinst_DATA = reiserfsprogs.spec
-
-EXTRA_DIST = CREDITS version.h
-
-dist-hook:
-	cp -f reiserfsprogs.spec $(distdir)
+EXTRA_DIST = CREDITS version.h reiserfsprogs.spec