Comment 0 for bug 1545330

The following errors appear when compiling any systemtap script:

In file included from include/linux/mutex.h:15:0,
                 from /tmp/stapbdpxn3/stap_a0ec17f995e8f89d672d8c2eb7fe7c24_1693_src.c:25:
include/linux/spinlock_types.h:55:14: error: ‘__ARCH_SPIN_LOCK_UNLOCKED’ undeclared here (not in a function)
  .raw_lock = __ARCH_SPIN_LOCK_UNLOCKED, \
              ^
include/linux/spinlock_types.h:79:15: note: in expansion of macro ‘__RAW_SPIN_LOCK_INITIALIZER’
  { { .rlock = __RAW_SPIN_LOCK_INITIALIZER(lockname) } }
               ^
include/linux/spinlock_types.h:82:16: note: in expansion of macro ‘__SPIN_LOCK_INITIALIZER’
  (spinlock_t ) __SPIN_LOCK_INITIALIZER(lockname)
                ^
include/linux/mutex.h:111:18: note: in expansion of macro ‘__SPIN_LOCK_UNLOCKED’
   , .wait_lock = __SPIN_LOCK_UNLOCKED(lockname.wait_lock) \
                  ^
include/linux/mutex.h:117:27: note: in expansion of macro ‘__MUTEX_INITIALIZER’
  struct mutex mutexname = __MUTEX_INITIALIZER(mutexname)

Relevant bug in fedora: https://bugzilla.redhat.com/show_bug.cgi?id=1240682
Upstream fix: https://www.sourceware.org/git/gitweb.cgi?p=systemtap.git;a=commitdiff;h=320e1ecb16427b5769f0f5a097d80823ee1fb765