make: pie -- Drop -fno-strict-aliasing option

It's already defined in general Makefile
Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Tested-by: Alexander Kartashov <alekskartashov@parallels.com>
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-strict-aliasing
+cflags-y		+= -fpie  -Wa,--noexecstack
 ASMFLAGS		+= -D__ASSEMBLY__
 
 GEN-OFFSETS		:= gen-offsets.sh