[systemtap/f14/master] RHBZ 670646 plus, bonus <sys/sdt.h> patch for mysql buildability, as per http://comments.gmane.org/g

[fche]

Summary of changes:

  063bce3... RHBZ 670646 plus, bonus <sys/sdt.h> patch for mysql buildab (*)

(*) This commit already existed in another branch; no separate mail sent