fix nptl build for sparc

Signed-off-by: Austin Foxley <austinf@cetoncorp.com>

libc/sysdeps/linux/sparc/sysdep.h

@@ -60,6 +60,10 @@ ENTRY(name);					\
 	END(name)
 
 
-#endif
+#endif /* __ASSEMBLER__ */
+
+/* Pointer mangling is not yet supported for SPARC.  */
+#define PTR_MANGLE(var) (void) (var)
+#define PTR_DEMANGLE(var) (void) (var)
 
 #endif

libpthread/nptl/sysdeps/unix/sysv/linux/sparc/not-cancel.h

@@ -1 +0,0 @@
-#include "../i386/not-cancel.h"