small improvements in proc parseStandaloneClass (#208)
small improvements in proc parseStandaloneClass (#208)

* small improvements in proc parseStandaloneClass

- oldClassOrig can be immutable
- line not needed: p.options.classes[p.currentClassOrig] = "true"

* Update cparse.nim

Co-authored-by: Andreas Rumpf <135dcb83a9ab360d374a6872197bb8d57db605a4@web.de>
nim-lang/c2nim,nim-lang/c2nim