[patch, libfortran] Silence compiler warning

[FX]

Hi,

> the patch below silences the only compiler warning on i686-pc-linux- 
> gnu
> when building libfortran, about the possibility of "type" being
> clobbered by setjmp / longjmp.

Last time this was raised, someone (Andrew Pinski?) objected because  
he/she felt it was possible there was a real issue behind it. Maybe  
let a few more days before committing?

FX

-- 
François-Xavier Coudert
http://www.homepages.ucl.ac.uk/~uccafco/