Leave it dude... Wonderwall does use a capo on the 2nd fret as I recall. Open strings are at fret 2 with the capo on - play it exactly the same as you were open.....

5 5 5 5
5 5 5 5
2 2 4 2
4 2 3 4
4 4 x x
2 5 x x

Something like that anyway... it's a bit early :D Had to edit as spelling was shocking.... told you it was early