Fix for bug #4373: \u behaves differently

client/mysql.cc

@@ -2693,6 +2693,7 @@ char *get_arg(char *line, my_bool get_next_arg)
       ptr++;
     if (*ptr == '\\') // short command was used
       ptr+= 2;
+    else
       while (*ptr &&!my_isspace(charset_info, *ptr)) // skip command
         ptr++;
   }