Problem with accents in Spanish translation

[Rodemfr]

See https://www.cruisersforum.com/forums/f134/migrating-meteovache_pi-to-managed-plugin-scheme-274843-4.html#post3768429
for more details.

It looks like a mismatch between the charset encoding of the translation and the actual charset encoding of the font.

[Rodemfr]

The problem is likely linked to the UTF-8 encoding of day name translation : During drawing of the weather report, day names are cut to only keep the two first char of the string but in UTF-8 the two first characters can be encoded on more than two char, leading to incorrect string.

[Rodemfr]

Problem solved by using wxString::substr function which takes care of character encoding.