crypto/tinyaes: Typecast RAND_MAX to float to fix warning

Signed-off-by: Siddharth Chandrasekaran <[email protected]>

src/crypto/tinyaes.c

@@ -52,7 +52,7 @@ void osdp_fill_random(uint8_t *buf, int len)
 
 	for (i = 0; i < len; i++) {
 		rnd = rand();
-		buf[i] = (uint8_t)(((float)rnd) / RAND_MAX * 256);
+		buf[i] = (uint8_t)(((float)rnd) / (float)RAND_MAX * 256);
 	}
 }