pie: Pass CR_NOGLIBC in pie/Makefile

PIE code can't use glibc helpers so instead of passing
CR_NOGLIBC macro in every source file pie code uses just
pass it in pie/Makefile.
Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>

pie/Makefile

@@ -12,7 +12,7 @@ restorer-obj-y		+= restorer.o
 restorer-obj-e		+= $(ARCH_DIR)/restorer.o
 restorer-libs-e		+= $(SYSCALL-LIB)
 
-cflags-y		+= -fpie  -Wa,--noexecstack -fno-stack-protector
+cflags-y		+= -DCR_NOGLIBC -fpie  -Wa,--noexecstack -fno-stack-protector
 ASMFLAGS		+= -D__ASSEMBLY__
 
 GEN-OFFSETS		:= gen-offsets.sh

pie/restorer.c

-#define CR_NOGLIBC
 #include <stdio.h>
 #include <stdlib.h>