Redundant checking for key value

[swpalmer]

NativeFX/src/main/native/src/main/cpp/nativefx.cpp

Line 263 in a89fd9e

if(key >= connections.size() || connections[key] == NULL) {

There are two checks if the key value is too large, and a check if the connection is null. Only the second 'if' appears to be relevant. Was this the result of a bad merge?