(ITS#7131) Wrong integer types for connection loops

[h . b . furuseth]

Full_Name: Hallvard B Furuseth
Version: 2.4.28, master
OS: 
URL: 
Submission from: (NULL) (195.1.106.125)
Submitted by: hallvard


connection_<first,next,done>() expect a ber_socket_t*connindex,
but the callers pass an int*.

Fixing.