from: sgx_backtrace_sys
to: sgx_edl
evidence:
 - file: "sgx_backtrace_sys/libbacktrace/backtrace.h"
   contains "#include <stddef.h>"

from: sgx_backtrace_sys
to: sgx_edl
evidence:
 - file: "sgx_backtrace_sys/libbacktrace/backtrace_t.h"
   contains "#include <stddef.h>"