Added the const qualifier to char* variables that refer to readonly internal
UTF-8 represenatation of Unicode objects.
diff --git a/Modules/socketmodule.c b/Modules/socketmodule.c
index feaa212..7f6cd4d 100644
--- a/Modules/socketmodule.c
+++ b/Modules/socketmodule.c
@@ -5982,7 +5982,7 @@
     PyObject *hobj = NULL;
     PyObject *pobj = (PyObject *)NULL;
     char pbuf[30];
-    char *hptr, *pptr;
+    const char *hptr, *pptr;
     int family, socktype, protocol, flags;
     int error;
     PyObject *all = (PyObject *)NULL;