Protect definition of SpinlockSemaArray, just like its declaration.

Found via clang's -Wmissing-variable-declarations.

diff --git a/src/backend/storage/lmgr/spin.c b/src/backend/storage/lmgr/spin.c
index 9b71744cc6cf5e7b3362ad829f977a81ffc903da..e5a9d3537307c889040699d02d771d0494cd597b 100644 (file)
--- a/src/backend/storage/lmgr/spin.c
+++ b/src/backend/storage/lmgr/spin.c
@@ -30,7 +30,9 @@
 #include "storage/spin.h"
 
 
+#ifndef HAVE_SPINLOCKS
 PGSemaphore SpinlockSemaArray;
+#endif
 
 /*
  * Report the amount of shared memory needed to store semaphores for spinlock