[circledump] Fix namespace closing comment (#13664)

This will fix namespace closing comment and insert empty space like others.

ONE-DCO-1.0-Signed-off-by: SaeHie Park <[email protected]>

compiler/circledump/include/circledump/Dump.h

@@ -25,7 +25,8 @@ namespace circledump
 {
 
 void dump_model(std::ostream &os, const circle::Model *model);
-}
+
+} // namespace circledump
 
 std::ostream &operator<<(std::ostream &os, const circle::Model *model);