RFM69 issue- double count

[gcjr]

@hammy

In the data I look for that “P” and if its there it’s a valid message

while you may change an index value, "i", for each received by, you only check the 2nd byte, "[1]", for each index.

"1" is not "i"

if there are 2 bytes, the count will increase by 2.