Allow translatable title in the CAPTCHA form

I needed to use this CAPTCHA plugin on a client website that is bilingual. We needed a different label title for each language.

I would like to propose the use of ​http://codex.wordpress.org/Function_Reference/_2 before printing $cptch_optionscptch_label_form?

I created a patch that allows the following format to be used in the label field form:

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