bpo-32241: Add the const qualifire to declarations of umodifiable strings. (#4748)

diff --git a/Python/pathconfig.c b/Python/pathconfig.c
index 6a03f7d..53ddfc9 100644
--- a/Python/pathconfig.c
+++ b/Python/pathconfig.c
@@ -168,7 +168,7 @@
 
 
 void
-Py_SetPythonHome(wchar_t *home)
+Py_SetPythonHome(const wchar_t *home)
 {
     if (home == NULL) {
         return;
@@ -189,7 +189,7 @@
 
 
 void
-Py_SetProgramName(wchar_t *program_name)
+Py_SetProgramName(const wchar_t *program_name)
 {
     if (program_name == NULL || program_name[0] == L'\0') {
         return;