Added format string checking for mha_debug
Added format string checking for mha_debug

Summary:
mha_debug now has a macro for format string checking
Close T896 when this is tested and reviewed.

Test Plan: Review and fix errors arising

Reviewers: tobias, pmaanen

Reviewed By: tobias

Maniphest Tasks: T896

Differential Revision: https://dev.openmha.org/D292

HoerTech-gGmbH/openMHA,HoerTech-gGmbH/openMHA,HoerTech-gGmbH/openMHA,HoerTech-gGmbH/openMHA,HoerTech-gGmbH/openMHA,HoerTech-gGmbH/openMHA,HoerTech-gGmbH/openMHA,HoerTech-gGmbH/openMHA