Add va_list test case
Use correct type for va_list
Merge pull request #3568 from yebblies/valisttype

Use correct type for va_list
Add manually ported frontend source files to version control
Add settings file and makefile targets to build ddmd
fix posix.mak ddmd rule
Add generated source to .gitignore
Add magicport source to repo
Work around the unpredictible mangling of int64_t and uint64_t