[gmx-users] small typo in ions.itp: LI+ atom is NA

[Chris Neale]

I noticed this typo in ions.itp under the FF_OPLS section. It appears to 
have been present at least from 3.2.1 to 3.3.3

(the atom name for LI+ is NA)

[ moleculetype ]
; molname       nrexcl
LI+             1

[ atoms ]
; id    at type         res nr  residu name     at name  cg nr  charge   
mass
1       opls_406        1       LI+             NA       1      1       
6.941