fix compiler warning

diff --git a/demo/dio.c b/demo/dio.c
index 81f8bf77ad406638323590a36fce991471a0a6bd..15870739b3ac89c0313380fba93f4eaaa655bcff 100644 (file)
--- a/demo/dio.c
+++ b/demo/dio.c
@@ -30,7 +30,6 @@ int main(int argc, char *argv[])
 {
        int ret;
        int stype;
-       int i;
 
        parse_options(argc,argv);