Core: removed incorrect GCC 2.7 check. It was broken since introduction (__GNU__ instead of __GNUC__) and did nothing. Moreover, GCC 2.7 is happy with the normal version of the code. Reported by Joel Cunningham, http://mailman.nginx.org/pipermail/nginx-devel/2016-March/007964.html.

if exists("b:did_indent")
    finish
endif
let b:did_indent = 1

setlocal indentexpr=

" cindent actually works for nginx' simple file structure
setlocal cindent
" Just make sure that the comments are not reset as defs would be.
setlocal cinkeys-=0#