Avoid long lines in f90 include file
Maximum characters per line in (portable) f90 code is 132.
Arguably this limit should not include comments, at least there is no functional drawback in a compiler's truncating comments beyond the 132th character. However, some compilers complain (sometimes loudly) if a line contains more than 132 characters, even if it's just a comment, e.g. the NAG compiler.
This MR simply changes the format of the generated libxc_inc.f90
from:
integer(c_int), parameter, public :: XC_LDA_C_CHACHIYO_MOD = 307 ! Chachiyo simple 2 parameter correlation with modified scaling
to:
! Chachiyo simple 2 parameter correlation with modified scaling
integer(c_int), parameter, public :: XC_LDA_C_CHACHIYO_MOD = 307
which plays is more agreeable to said compilers.