Documentation typos for v.1.2.0

[Maurí­cio CA]

In

http://leenissen.dk/fann/fann_1_2_0/r1580.html

'print_error_log' should be 'print_error'.


In

http://leenissen.dk/fann/fann_1_2_0/r1040.html

'void' is missing in declaration.


In

http://leenissen.dk/fann/fann_1_2_0/r670.html

'destroy_train_data' should be 'destroy_train'.


Best,
Maurício