add missing header end comments

- ensures a consistent usage in header files
- also add a blank line after the copyright header where missing
- also remove orphan new-lines at the end of some files

1 files changed, 1 insertions, 1 deletions

diff --git a/src/util.h b/src/util.h
index 30f7c15c89..6e1f439ff7 100644
--- a/src/util.h
+++ b/src/util.h
@@ -222,4 +222,4 @@ template <typename Callable> void TraceThread(const char* name,  Callable func)
     }
 }
 
-#endif
+#endif // BITCOIN_UTIL_H