Build fails on Ubuntu 12.04 ppc

[foxlet]

make[1]: Entering directory `/home/foxlet/voidppc/xbps-fox/include'
sed -e "s|@@VERSION@@|0.52|g" xbps.h.in > xbps.h
make[1]: Leaving directory `/home/foxlet/voidppc/xbps-fox/include'
make[1]: Entering directory `/home/foxlet/voidppc/xbps-fox/lib'
 [CC]           download.o
In file included from /usr/include/powerpc-linux-gnu/bits/sigcontext.h:28:0,
                 from /usr/include/powerpc-linux-gnu/sys/ucontext.h:27,
                 from /usr/include/signal.h:359,
                 from /usr/include/powerpc-linux-gnu/sys/wait.h:31,
                 from download.c:42:
/usr/include/powerpc-linux-gnu/asm/sigcontext.h:17:23: error: expected identifier or ‘(’ before ‘[’ token
make[1]: *** [download.o] Error 1
make[1]: Leaving directory `/home/foxlet/voidppc/xbps-fox/lib'
make: *** [all] Error 1

Seems to be an issue similar to that of voidlinux/xbps#291.

[foxlet]

PPC building had been fixed for a while, just forgot to close it.