CI, Haiku: Run on r1beta6
autotools, cmake (MinGW, or Apple+GCC): link with -static-libgcc
added a standalone makefile for ancient MSVC versions (e.g. VS6)
make it to build using ancient MS Visual Studio versions
MSVC: always build libxmp_msvc_dbgprint()
update libtimidity from mainstream.
xmms-timidity.c: remove unused locals, more tidy-up
xmms-timidity.c: change xmms to use FMT_U8 for 8 bit. general tidy-up.