[Bug fortran/47633] Result of COMPILER_VERSION() has NULL byte appended

[burnus at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47633

--- Comment #9 from Tobias Burnus <burnus at gcc dot gnu.org> 2011-02-14 
17:16:16 UTC ---
(In reply to comment #6)
> Sure, no problem.  Here's a tested patch.

The patch is OK with a ChangeLog. I think no test case is needed.