closes bpo-39859: Do not downcast result of hstrerror (GH-18790)

set_herror builds a string by calling hstrerror but downcasts its return value to char *.  It should be const char *.

Automerge-Triggered-By: @benjaminp

diff --git a/Modules/socketmodule.c b/Modules/socketmodule.c
index 37b312396f9440bc2af4bb3cc9408a8b271989aa..2818ac7f2057068290161356e14bfb3125b05ff5 100644 (file)
--- a/Modules/socketmodule.c
+++ b/Modules/socketmodule.c
@@ -658,7 +658,7 @@ set_herror(int h_error)
     PyObject *v;
 
 #ifdef HAVE_HSTRERROR
-    v = Py_BuildValue("(is)", h_error, (char *)hstrerror(h_error));
+    v = Py_BuildValue("(is)", h_error, hstrerror(h_error));
 #else
     v = Py_BuildValue("(is)", h_error, "host not found");
 #endif