[Python-checkins] bpo-36672: Fix a compiler warning in winreg.SetValue() (GH-12882)

[Miss Islington (bot)]

https://github.com/python/cpython/commit/36aecc0079af0ec65add8ffb5bcdea9a594baca4
commit: 36aecc0079af0ec65add8ffb5bcdea9a594baca4
branch: 3.7
author: Miss Islington (bot) <31488909+miss-islington at users.noreply.github.com>
committer: GitHub <noreply at github.com>
date: 2019-04-22T10:31:46-07:00
summary:

bpo-36672: Fix a compiler warning in winreg.SetValue() (GH-12882)

(cherry picked from commit 34366b7f914eedbcc33aebe882098a2199ffaf82)

Co-authored-by: Zackery Spytz <zspytz at gmail.com>

files:
M PC/winreg.c

diff --git a/PC/winreg.c b/PC/winreg.c
index 96dd4ef059be..1021609e582f 100644
--- a/PC/winreg.c
+++ b/PC/winreg.c
@@ -1609,7 +1609,7 @@ winreg_SetValue_impl(PyObject *module, HKEY key, const Py_UNICODE *sub_key,
     }
 
     Py_BEGIN_ALLOW_THREADS
-    rc = RegSetValueW(key, sub_key, REG_SZ, value, value_length+1);
+    rc = RegSetValueW(key, sub_key, REG_SZ, value, (DWORD)(value_length + 1));
     Py_END_ALLOW_THREADS
     if (rc != ERROR_SUCCESS)
         return PyErr_SetFromWindowsErrWithFunction(rc, "RegSetValue");