oops. I had accidentally typed in "clean" when I meant "clone".

This fix makes pthreads actaully work on powerpc.
 -Erik

libc/sysdeps/linux/powerpc/clone.S

@@ -93,6 +93,6 @@ __clone:
 	b	__syscall_error
 
 .size __clone,.-__clone
-.weak clean;
+.weak clone;
 clone=__clone
 #endif