applied patch by Guido Classen: use the new attribute __used__ for the initcall/exitcall sections to prevent gcc 3.4 and above from droping contents of this sections.
applied patch by Guido Classen:
use the new attribute __used__ for the initcall/exitcall
sections to prevent gcc 3.4 and above from droping contents of this
sections.

dgdunix/qemacs-tmp,dgdunix/qemacs-tmp,dgdunix/qemacs-tmp