Properly name blc_channel-out to make it usable by e_bash.sh

i_AV_camera.mm

@@ -208,7 +208,7 @@ int main(int argc, char **argv){
     char const *infos;
     
     blc_program_add_option(&output_format_option, 'f', "format", "Y800", "set ouput video format", "NDEF");
-    blc_program_add_option(&output_name, 'o', "output", "blc_channel", "output channel", NULL);
+    blc_program_add_option(&output_name, 'o', "output", "blc_channel-out", "image channel", NULL);
     blc_program_add_option(&output_type_option, 't', "type", "UIN8|FL32", "set ouput data type", "NDEF");
     blc_program_add_option(&infos, 'i', "infos", NULL, "list infos: pixel formats of the device", NULL);
     blc_program_init(&argc, &argv, blc_quit);