Previously the debug macros printed file/line, class and message separately, which resulted in possible intermingling with other debug messages, e.g. from rosautotest. This caused random parse errors for testman.
This is fixed by using a temp buffer for the prefix in rosfmt_default_dbg_vlog and then calling vDbgPrintExWithPrefix. Also make the __WINE_DPRINTF macro identical between GCC and MSVC.
See ROSTESTS-178
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