See https://github.com/Subsurface-divelog/subsurface/issues/345. The
menues where not translated. The basis of this error is a simple
typo in core/taxonomy.c where the classname was mis-spelled in the
QT_TRANSLATE_NOOP. In addition, to pull and translate the strings
from C code, the normal tr() does not work, and the functionality
from the gettextfromc class is used.
Fixes: #345
Signed-off-by: Jan Mulder <jlmulder@xs4all.nl>