Merge branch 'out_double' of http://gitea.xinje.cc/wangxinyu2/test into out_double

hello.c

@@ -7,6 +7,7 @@ void main()
     printf("hello world\n");
     printf("hello world\n");
     printf("nihao\n");
-    printf("helloworld");
+    printf("你好\n");
+    printf("haode\n");
     return 0;    
 }