Partial revert of commit c36fc50781995e6758cae2b6927839d0157f213c
to restore the layout of pthread_cond_t and avoid a downstream
rpminspect and abidiff (libabigail tooling) spurious warning
about internal ABI changes.  Without this change all RHEL developers
using pthread_cond_t would have to audit and waive the warning.
The alternative is to update the supression lists used in abidiff,
propagate that to the rpminspect service, and wait for that to
complete before doing the update. The more conservative position
is the partial revert of the layout change.

This is a downstream-only change and is not required upstream.

diff --git a/sysdeps/nptl/bits/thread-shared-types.h b/sysdeps/nptl/bits/thread-shared-types.h
index 5cd33b765d9689eb..5644472323fe5424 100644
--- a/sysdeps/nptl/bits/thread-shared-types.h
+++ b/sysdeps/nptl/bits/thread-shared-types.h
@@ -109,7 +109,8 @@ struct __pthread_cond_s
       unsigned int __high;
     } __g1_start32;
   };
-  unsigned int __g_size[2] __LOCK_ALIGNMENT;
+  unsigned int __glibc_unused___g_refs[2] __LOCK_ALIGNMENT;
+  unsigned int __g_size[2];
   unsigned int __g1_orig_size;
   unsigned int __wrefs;
   unsigned int __g_signals[2];
diff --git a/sysdeps/nptl/pthread.h b/sysdeps/nptl/pthread.h
index 7ea6001784783371..43146e91c9d9579b 100644
--- a/sysdeps/nptl/pthread.h
+++ b/sysdeps/nptl/pthread.h
@@ -152,7 +152,7 @@ enum
 
 
 /* Conditional variable handling.  */
-#define PTHREAD_COND_INITIALIZER { { {0}, {0}, {0, 0}, 0, 0, {0, 0} } }
+#define PTHREAD_COND_INITIALIZER { { {0}, {0}, {0, 0}, {0, 0}, 0, 0, {0, 0} } }
 
 
 /* Cleanup buffers */