Make fenv.h FE_* macros usable in #if (bug 3439)

[Markus Trippelsdorf]

On 2012.11.21 at 18:16 +0000, Joseph S. Myers wrote:
> On Wed, 21 Nov 2012, Markus Trippelsdorf wrote:
> 
> > On 2012.11.03 at 02:01 +0000, Joseph S. Myers wrote:
> > > This patch fixes the remaining part of bug 3439, FE_* constants in
> > > fenv.h not being usable in #if, in the same way as my recent fix for
> > > math.h constants (as suggested by Paul Eggert in that bug).
> > 
> > I now get:
> 
> Since you don't say what architecture you are on or anything else about 
> your test environment (even whether you have confirmed this problem is 
> present in the revision of my commit but not the previous revision), this 
> is not a useful bug report.

The issue happened because I simply forgot that I had set
LD_PRELOAD=libtcmalloc.so in my test environment.

Sorry for the noise!
-- 
Markus