Fix Bresser-Lightning decoding of 'count' (#2797)

src/devices/bresser_lightning.c

@@ -86,7 +86,8 @@ static int bresser_lightning_decode(r_device *decoder, bitbuffer_t *bitbuffer)
 
     int sensor_id   = (msg[2] << 8) | (msg[3]);
     int distance_km = msg[7];
-    int count       = (msg[4] << 4) | (msg[5] & 0xf0) >> 4;
+    // Counter encoded as BCD with most significant digit counting up to 15! -> Maximum value: 1599
+    int count       = (msg[4] >> 4) * 100 + (msg[4] & 0xf) * 10 + (msg[5] >> 4);
     int unknown1    = ((msg[5] & 0x0f) << 8) | msg[6];
     int unknown2    = (msg[8] << 8) | msg[9];