The other tab is correct except the chorus and outro are wrong. Awesome song by an 
amazing artist. 
http://www.youtube.com/watch?v=JVQ_gAVNEpk

There is a hammer on the A string most every time he plays the G chord and a 
hammer on the D string when he plays the Cadd9 chord.

Here is correct chords:

Tuning: Standard
NO Capo

G (320003@1)  Cadd9 (x32030@1)   Em7   Cadd9 (x32030@1)   x 2

G (320003@1)                   Cadd9 (x32030@1)               Em7                   Cadd9 (x32030@1)
I'm holding on to the hope that one day this could be made right
G (320003@1)                      Cadd9 (x32030@1)                   Em7                  Cadd9 (x32030@1)
I've been shipwrecked, and left for dead, and I have seen the darkest sights
G (320003@1)            Cadd9 (x32030@1)                   Em7               Cadd9 (x32030@1)
Everyone I've loved seems like a stranger in the night
   G (320003@1)                Cadd9 (x32030@1)                  Em7           Cadd9 (x32030@1)      Cadd9 (x32030@1)(Strum a few times then go to chorus)
But oh my heart still burns, tells me to return, and search the fading light

D (xx0232@1)                           Em7       G (320003@1)  Cadd9I'm (x32030@1)sailing home to you I won't be long
D (xx0232@1)                           Em7       G (320003@1)  Cadd9By (x32030@1)the light of moon I will press on
G (320003@1)     Cadd9 (x32030@1)       Em7      Cadd9Until, (x32030@1)I find, my love

G (320003@1)  Cadd9 (x32030@1)   Em7   Cadd9 (x32030@1)G (320003@1)                   Cadd9 (x32030@1)               Em7                   Cadd9 (x32030@1)
Trouble has beset my ways, and wicked winds have blown
G (320003@1)                      Cadd9 (x32030@1)                     Em7                        Cadd9 (x32030@1)Sirens call my name, they say they'll ease my pain, then break me on the  stones
G (320003@1)                   Cadd9 (x32030@1)               Em7                   Cadd9 (x32030@1)
But true love is the burden that will carry me back home
G (320003@1)                   Cadd9 (x32030@1)               Em7                   Cadd9 (x32030@1)
Carry me with the, memories of the, beauty I have known

D (xx0232@1)                           Em7       G (320003@1)  Cadd9I'm (x32030@1)sailing home to you I won't be long
D (xx0232@1)                  Em7       G (320003@1)  Cadd9By (x32030@1)the light of moon I will press on

D (xx0232@1)                     Em7                   G (320003@1)                     Cadd9So (x32030@1)tie me to the mast of this old ship and point me home
D (xx0232@1)                     Em7                   G (320003@1)                     Cadd9Before (x32030@1)I lose the one I love, before my chance is gone
G (320003@1)    Cadd9 (x32030@1) Em7      Cadd9I (x32030@1)want to hold, her in, my arms

G (320003@1)  Cadd9 (x32030@1)   Em7   Cadd9 (x32030@1)   x 2

320033   G
022033   Em7
X32033   Cadd9
XX0232   D