Issue #3080: Mark PyWin_FindRegisteredModule() as private
This function was not declared in Python public API (in any .h file) and not
documented. Mark it as private to prepare a change of its API.
diff --git a/PC/import_nt.c b/PC/import_nt.c
index 196a774..aa99c43 100644
--- a/PC/import_nt.c
+++ b/PC/import_nt.c
@@ -15,10 +15,10 @@
/* a string loaded from the DLL at startup */
extern const char *PyWin_DLLVersionString;
-FILE *PyWin_FindRegisteredModule(const char *moduleName,
- struct filedescr **ppFileDesc,
- char *pathBuf,
- Py_ssize_t pathLen)
+FILE *_PyWin_FindRegisteredModule(const char *moduleName,
+ struct filedescr **ppFileDesc,
+ char *pathBuf,
+ Py_ssize_t pathLen)
{
char *moduleKey;
const char keyPrefix[] = "Software\\Python\\PythonCore\\";