Define __stack_chk_fail_local.S

With -fstack-protector, x86 -m32 needs __stack_chk_fail_local
defined in crtbegin_*.o.

Include __stack_chk_fail_local.S in begin.S otherwise linker
(which is built w/o crt*) may not link.

Change-Id: Id242fcf3eff157264afe3b04f27288ab7991220a
diff --git a/linker/arch/x86/begin.S b/linker/arch/x86/begin.S
index b4427e0..0c0fc3d 100644
--- a/linker/arch/x86/begin.S
+++ b/linker/arch/x86/begin.S
@@ -44,3 +44,4 @@
         popl   %esp
         jmp    *%eax
 
+#include "__stack_chk_fail_local.S"