Add a script for generating a def file for building DLLs, based on the object files
Add a script for generating a def file for building DLLs, based on the object files

libav/c99-to-c89,mstorsjo/c99-to-c89,rbultje/c99-to-c89,mstorsjo/c99-to-c89,rbultje/c99-to-c89,libav/c99-to-c89