Silence warnings for cygwin compiling
Hi,
Please change as below:
```
--- csctapi/ifd_smartreader.c
+++ csctapi/ifd_smartreader.c
@@ -900,7 +900,7 @@
}
#if defined(__CYGWIN__)
-static WINAPI read_callback(struct libusb_transfer *transfer)
+static void read_callback(struct libusb_transfer *transfer)
{
#else
static void read_callback(struct libusb_transfer *transfer)
```
Thx :smiley:
issue