Run though astyle -T4lSyUc and fix all pedantic warnings for C99

src/doors/clans-devkit/chew.c

src/doors/clans-devkit/defines.h

src/doors/clans-devkit/ecomp.c

src/doors/clans-devkit/install.c

src/doors/clans-devkit/keywords.h

src/doors/clans-devkit/langcomp.c

src/doors/clans-devkit/makenpc.c

src/doors/clans-devkit/makepak.c

src/doors/clans-devkit/mclass.c

src/doors/clans-devkit/mcomp.c

src/doors/clans-devkit/mitems.c

src/doors/clans-devkit/mspells.c

src/doors/clans-devkit/structs.h

src/doors/clans-devkit/unix/Makefile