Add MSC __declspec(noreturn) to fatal()
Clean up cutting macros in lexer.c
Clean up cutting ifdefs in declaration.c
Remove a whole bunch of cutting ifdefs
Merge pull request #2736 from yebblies/ifdmdv2lex

[DDMD] Clean up cutting macros in lexer.c
Merge pull request #1395 from redstar/noreturn

Add MSC __declspec(noreturn) to fatal()
Merge pull request #2737 from yebblies/ifdefdec

[DDMD] Clean up cutting ifdefs in declaration.c
Merge pull request #2738 from yebblies/moreifdefs

[DDMD] Remove a whole bunch of cutting ifdefs
eliminate a pointless variable
Merge pull request #2740 from braddr/cleanup

eliminate a pointless variable