Need to include sys/syscall.h because of other changes

libc/sysdeps/linux/powerpc/_mmap.c

@@ -1,6 +1,7 @@
 
 #include <unistd.h>
 #include <sys/mman.h>
+#include <sys/syscall.h>
 
 
 void * mmap(void *start, size_t length, int prot, int flags, int fd,