reiserfsprogs: add symlinks for debugreiserfs and reiserfstune

We have convenience links for fsck and mkfs. Let's add them for
debug and tune.

Signed-off-by: Jeff Mahoney <jeffm@suse.com>

debugreiserfs/Makefile.am

@@ -5,3 +5,6 @@ man_MANS = debugreiserfs.8
 EXTRA_DIST = $(man_MANS)
 
 LDADD = $(top_builddir)/reiserfscore/libcore.a $(top_builddir)/lib/libmisc.a
+
+install-exec-hook:
+	$(LN_S) debugreiserfs $(DESTDIR)$(sbindir)/debugfs.reiserfs

tune/Makefile.am

@@ -7,3 +7,5 @@ EXTRA_DIST = $(man_MANS)
 
 LDADD = $(top_builddir)/reiserfscore/libcore.a $(top_builddir)/lib/libmisc.a
 
+install-exec-hook:
+	$(LN_S) reiserfstune $(DESTDIR)$(sbindir)/tunefs.reiserfs