www/ruby-rails60: fix dependency

* There is no need to stay on misc/ruby-bundler1 and switch to
  depends on misc/ruby-bundler.

Bump PKGREVISION

www/ruby-rails60/Makefile

@@ -1,7 +1,8 @@
-# $NetBSD: Makefile,v 1.3 2020/05/21 16:04:24 taca Exp $
+# $NetBSD: Makefile,v 1.4 2020/09/13 14:55:23 taca Exp $
 
 DISTNAME=	rails-${RAILS_VERSION}
 PKGNAME=	${RUBY_PKGPREFIX}-rails${RUBY_RAILS}-${RAILS_VERSION}
+PKGREVISION=	1
 CATEGORIES=	www
 
 MAINTAINER=	pkgsrc-users@NetBSD.org
@@ -30,6 +31,6 @@ RUBY_RAILS_STRICT_DEP=	yes
 
 .include "../../lang/ruby/gem.mk"
 .if ${RUBY_VER} < 26
-DEPENDS+=	${RUBY_PKGPREFIX}-bundler1>=1.3.0:../../misc/ruby-bundler1
+DEPENDS+=	${RUBY_PKGPREFIX}-bundler>=1.3.0:../../misc/ruby-bundler
 .endif
 .include "../../mk/bsd.pkg.mk"