Fix warning.

diff --git a/at89prog.c b/at89prog.c
index ab9f99e0e35717bc6c44b20351dd4994b19abe23..da776658930d2fc54924744a3ff5771c48624969 100644 (file)
--- a/at89prog.c
+++ b/at89prog.c
@@ -94,7 +94,7 @@ int writebin(FILE *fd, char do_verify, char datamem)
 
 int writehex(FILE *fd, char do_verify, char datamem)
 {
-       int length; 
+       size_t length; 
        void *data;
        long address;
        int i = 0, j = 0;