Land #10770, show full path for webcam_stream file

lib/rex/post/meterpreter/ui/console/command_dispatcher/stdapi/webcam.rb

@@ -248,11 +248,12 @@ Status     : <span id="status"></span>
     ::File.open(player_path, 'wb') do |f|
       f.write(html)
     end
+    path = ::File.expand_path(player_path)
     if view
-      print_status("Opening player at: #{player_path}")
+      print_status("Opening player at: #{path}")
       Rex::Compat.open_file(player_path)
     else
-      print_status("Please open the player manually with a browser: #{player_path}")
+      print_status("Please open the player manually with a browser: #{path}")
     end
 
     print_status("Streaming...")