libsock: pointer al is checked for nullness after dereferencing

[szsam]

In the following code snippet, the pointer al is checked for nullness after is has already been dereferenced. Should we move the check before the dereference?

https://github.com/gozfree/gear-lib/blob/5e1947fd7b86bad1c1ed9d9ce36591585e396793/gear-lib/libsock/libsock.c#L548-L551 https://github.com/gozfree/gear-lib/blob/5e1947fd7b86bad1c1ed9d9ce36591585e396793/gear-lib/libsock/libsock.c#L586-L589