Update references to "win32 post-crash debugger" to "windows post..."
Windows post-crash debugger is used also on win64. Change comments talking about "win32 post-crash debugger" to talk about "windows post-crash debugger".
New patch version replaces one-line C-style comment with C++-style comment in C++ code.
Windows post-crash debugger is used also on win64. Change comments talking about "win32 post-crash debugger" to talk about "windows post-crash debugger".