Update DefFileGenerator, add source to build (#212)

* Update DefFileGenerator, add source to build

* Export non comdat read only symbols

* Only fix bad export type

Author: ThadHouse

DefFileGenerator/CMakeLists.txt

@@ -0,0 +1,7 @@
+cmake_minimum_required(VERSION 3.15)
+project (DefFileGenerator)
+
+add_executable(DefFileGenerator bindexplib.cpp main.cpp)
+
+set_property(TARGET DefFileGenerator PROPERTY
+  MSVC_RUNTIME_LIBRARY "MultiThreaded$<$<CONFIG:Debug>:Debug>")