Update c-api/contextvars.po

delete spacing between chinese characters as suggested and reviewed.

Co-authored-by: W. H. Wang <mattwang44@gmail.com>

Author: husohome

c-api/contextvars.po

@@ -26,7 +26,7 @@ msgid ""
 "**changed** to use :c:type:`PyObject` pointers instead of :c:type:"
 "`PyContext`, :c:type:`PyContextVar`, and :c:type:`PyContextToken`, e.g.::"
 msgstr ""
-"在 Python 3.7.1 中所有情境變數 C API 的簽名都被 **改為** 使用 :c:type:"
+"在 Python 3.7.1 中所有情境變數 C API 的簽名都被\\ **改為**\\ 使用 :c:type:"
 "`PyObject` 指標，而不是 :c:type:`PyContext`、:c:type:`PyContextVar` 或 :c:"
 "type:`PyContextToken`，例如："