common: fix Option set_long_description

Signed-off-by: Yan Jun <yan.jun8@zte.com.cn>

diff --git a/src/common/options.h b/src/common/options.h
index 770fa53144147230dc37bf3df6387793234bff93..01bc61e9e4b2d08350bac25c2454f9397f300f73 100644 (file)
--- a/src/common/options.h
+++ b/src/common/options.h
@@ -216,7 +216,7 @@ struct Option {
     return *this;
   }
   Option& set_long_description(const char* new_desc) {
-    desc = new_desc;
+    long_desc = new_desc;
     return *this;
   }