naemon/naemon.c: removed uneeded else statement

to make code cleaner, removed an uneeded `else'
statement on naemon's main flow

Signed-off-by: Ricardo Maraschini <ricardo.maraschini@gmail.com>
naemon/sretention.c: removing uneeded comparsion

xrddefault_read_state_information() always returns OK or ERROR

Signed-off-by: Ricardo Maraschini <ricardo.maraschini@gmail.com>