[patch] Guard use of __extern_inline with __USE_EXTERN_INLINES

[Rafael Ávila de Espíndola]

All the uses of __extern_inline I could find are guarded by
__USE_EXTERN_INLINES, except for this one in
sysdeps/x86_64/fpu/bits/fenv.h. This patch fixes that. Is it OK?

Cheers,
Rafael


2011-12-19  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>

	* sysdeps/x86_64/fpu/bits/fenv.h (feraiseexcept): Only define if
	__USE_EXTERN_INLINES is defined.

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