glibc cvs failure on ppclinux

[Roland McGrath]

> /home/howarth/libc/build-powerpc-linux/locale/localedef.o(.text+0x9be): In function `normalize_codeset':
> /home/howarth/libc/locale/../include/ctype.h:28: undefined reference to `__libc_tsd_CTYPE_B_data'
> /home/howarth/libc/build-powerpc-linux/locale/localedef.o(.text+0x9c2):/home/howarth/libc/locale/../include/ctype.h:28: undefined reference to `__libc_tsd_CTYPE_B_data'

This indicates a problem with the makefile changes I just made, which
affect how -DNOT_IN_libc et al get passed when compiling things like the
localedef program sources.  Should be fixed now.