Integrate BPF seccomp_filters to Minijail.

BUG=chromium-os:25429
BUG=chromium-os:27878
TEST=security_Minijail_seccomp
CQ-DEPEND=I13a9b22ac8d55f02d5a77b5beedb955386b63723

Change-Id: I5fa8f40b9a539a61d69439cad778c926fc934cb1
Reviewed-on: https://gerrit.chromium.org/gerrit/19527
Tested-by: Jorge Lucangeli Obes <jorgelo@chromium.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
Commit-Ready: Jorge Lucangeli Obes <jorgelo@chromium.org>
diff --git a/libsyscalls.h b/libsyscalls.h
index d31ec8f..a2eb43c 100644
--- a/libsyscalls.h
+++ b/libsyscalls.h
@@ -12,4 +12,5 @@
 };
 
 extern const struct syscall_entry syscall_table[];
+
 #endif  /* MINIJAIL_LIBSYSCALLS_H_ */