fix flags argument to add-license shell command

src/License.hh

@@ -24,9 +24,9 @@ struct License {
     DEBUG             = 0x01000000,
     MODERATOR         = 0x00000007,
     ADMINISTRATOR     = 0x000000FF,
-      ROOT              = 0x010000FF,
+    ROOT              = 0x7FFFFFFF,
 
-      UNUSED_BITS       = 0xFEFFFF00,
+    UNUSED_BITS       = 0x7EFFFF00,
     // clang-format on
   };
 

src/ServerShell.cc

@@ -336,7 +336,7 @@ Proxy session commands:\n\
         l->serial_number = stoul(token.substr(7));
 
       } else if (starts_with(token, "flags=")) {
-        string mask = token.substr(11);
+        string mask = token.substr(6);
         if (mask == "normal") {
           l->flags = 0;
         } else if (mask == "mod") {