findutils: create symbolic link man to gnuman

Formula/findutils.rb

@@ -49,6 +49,8 @@ class Findutils < Formula
         (libexec/gnupath).install_symlink f => f.basename.sub(/^g/, "")
       end
     end
+
+    libexec.install_symlink "gnuman" => "man"
   end
 
   def post_install
@@ -60,10 +62,6 @@ class Findutils < Formula
     If you need to use these commands with their normal names, you
     can add a "gnubin" directory to your PATH from your bashrc like:
       PATH="#{opt_libexec}/gnubin:$PATH"
-
-    Additionally, you can access their man pages with normal names if you add
-    the "gnuman" directory to your MANPATH from your bashrc as well:
-      MANPATH="#{opt_libexec}/gnuman:$MANPATH"
   EOS
   end