Fix hang on ARM platforms

Signed-off-by: Andrew Andrianov <andrew@ncrmnt.org>

diff --git a/main.c b/main.c
index f5cbd67..6dbb9d0 100644 (file)
--- a/main.c
+++ b/main.c
@@ -73,7 +73,7 @@ void usage(const char *self)
 
 int main(int argc, char* argv[])
 {
-       char c;
+       int c;
        libusb_device_handle *h = NULL;
        int gpio=0; 
        const char *product = NULL;