Fixed detection and validate(recall, map) for .png and .bmp images.

AlexeyAB

2018-04-19 c2c8595b083ec3586a99bb913b8a986e81e3a42a

 src/captcha.c

@@ -28,7 +28,6 @@

void train_captcha(char *cfgfile, char *weightfile)
{
    data_seed = time(0);
    srand(time(0));
    float avg_loss = -1;
    char *base = basecfg(cfgfile);