Dimitry Andric a23701e59d Fix several clang warnings in libstdc++, which were exposed by the ...

recent atf import.  These changes are purely cosmetic, no functional
change.

MFC after:	1 week

2012-10-23 18:36:07 +00:00

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aix

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bsd

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djgpp

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generic

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gnu-linux

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hpux

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irix

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mingw32

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newlib

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qnx/qnx6.1

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solaris

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tpf

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uclibc

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vxworks

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windiss

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