common: do not include RWLock.h unless it is used

Signed-off-by: Kefu Chai <kchai@redhat.com>

diff --git a/src/common/buffer.cc b/src/common/buffer.cc
index 8d7583e7adb06ee110f6a0dc944bf72e0b027f75..e604e9f8a0e70bdc321d258cfd7c76989a497450 100644 (file)
--- a/src/common/buffer.cc
+++ b/src/common/buffer.cc
@@ -33,7 +33,6 @@
 #include "common/likely.h"
 #include "common/valgrind.h"
 #include "common/deleter.h"
-#include "common/RWLock.h"
 #include "common/error_code.h"
 #include "include/spinlock.h"
 #include "include/scope_guard.h"