Fix sdist included files

Author: coretl

setup.cfg

@@ -48,6 +48,15 @@ dev =
     cothread; sys_platform != "win32"
     p4p
 
+# Include the OS specific files in the sdist, even
+# if not packages by setup.py (as we only build sdist on one arch)
+[options.data_files]
+iocStats/devIocStats = iocStats/devIocStats/*.c iocStats/devIocStats/*.h
+iocStats/devIocStats/os/default = iocStats/devIocStats/os/default/*
+iocStats/devIocStats/os/Darwin = iocStats/devIocStats/os/Darwin/*
+iocStats/devIocStats/os/WIN32 = iocStats/devIocStats/os/WIN32/*
+iocStats/devIocStats/os/Linux = iocStats/devIocStats/os/Linux/*
+
 [flake8]
 max-line-length = 80
 extend-ignore =