(svn r26517) -Fix: Windows 9x (or rather non-unicode) compile failures

src/ini.cpp

@@ -89,6 +89,8 @@ bool IniFile::SaveToDisk(const char *filename)
 #endif
 
 #if defined(WIN32) || defined(WIN64)
+	/* _tcsncpy = strcpy is TCHAR is char, but isn't when TCHAR is wchar. */
+	#undef strncpy
 	/* Allocate space for one more \0 character. */
 	TCHAR tfilename[MAX_PATH + 1], tfile_new[MAX_PATH + 1];
 	_tcsncpy(tfilename, OTTD2FS(filename), MAX_PATH);

src/os/windows/crashlog_win.cpp

@@ -613,6 +613,10 @@ static void SetWndSize(HWND wnd, int mode)
 	}
 }
 
+/* When TCHAR is char, then _sntprintf becomes snprintf. When TCHAR is wchar it doesn't. Likewise for strcat. */
+#undef snprintf
+#undef strcat
+
 static INT_PTR CALLBACK CrashDialogFunc(HWND wnd, UINT msg, WPARAM wParam, LPARAM lParam)
 {
 	switch (msg) {

src/os/windows/win32.cpp

@@ -29,7 +29,10 @@
 #include <errno.h>
 #include <sys/stat.h>
 
+/* Due to TCHAR, strncat and strncpy have to remain (for a while). */
 #include "../../safeguards.h"
+#undef strncat
+#undef strncpy
 
 static bool _has_console;
 static bool _cursor_disable = true;