[geary] Update Chinese (China) translation

[Translations User D-L <translations src gnome org>]

commit 7715d6c615ce15e0f09669daaf35e57d4e7fcfff
Author: Boyuan Yang <073plan gmail com>
Date:   Tue Aug 17 22:03:45 2021 +0000

    Update Chinese (China) translation

 po/zh_CN.po | 23 ++++++++++++++---------
 1 file changed, 14 insertions(+), 9 deletions(-)
---
diff --git a/po/zh_CN.po b/po/zh_CN.po
index c7cdf23f6..9190878c0 100644
--- a/po/zh_CN.po
+++ b/po/zh_CN.po
@@ -18,16 +18,16 @@ msgid ""
 msgstr ""
 "Project-Id-Version: geary mainline\n"
 "Report-Msgid-Bugs-To: https://gitlab.gnome.org/GNOME/geary/issues\n";
-"POT-Creation-Date: 2021-04-14 11:14+0000\n"
-"PO-Revision-Date: 2021-03-25 09:02+0800\n"
+"POT-Creation-Date: 2021-05-31 11:16+0000\n"
+"PO-Revision-Date: 2021-08-17 12:46+0800\n"
 "Last-Translator: lumingzh <lumingzh qq com>\n"
 "Language-Team: Chinese - China <i18n-zh googlegroups com>\n"
 "Language: zh_CN\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
-"Plural-Forms: nplurals=1; plural=0\n"
-"X-Generator: Gtranslator 3.38.0\n"
+"Plural-Forms: nplurals=1; plural=0;\n"
+"X-Generator: Poedit 3.0\n"
 
 #: desktop/geary-attach.contract.desktop.in:3
 msgid "Send by email"
@@ -113,12 +113,12 @@ msgid "Compatible with GMail, Yahoo! Mail, Outlook.com and other IMAP servers"
 msgstr "与 GMail、雅虎邮箱、Outlook.com 和其它 IMAP 服务器兼容"
 
 #. Translators: A screenshot description.
-#: desktop/org.gnome.Geary.appdata.xml.in.in:47
+#: desktop/org.gnome.Geary.appdata.xml.in.in:50
 msgid "Geary displaying a conversation"
 msgstr "Geary 正在展示一个会话"
 
 #. Translators: A screenshot description.
-#: desktop/org.gnome.Geary.appdata.xml.in.in:58
+#: desktop/org.gnome.Geary.appdata.xml.in.in:55
 msgid "Geary showing the rich text composer"
 msgstr "Geary 正在显示富文本编辑器"
 
@@ -1588,15 +1588,15 @@ msgstr "保留(_K)"
 msgid "Select Color"
 msgstr "选择颜色"
 
-#: src/client/composer/composer-link-popover.vala:135
+#: src/client/composer/composer-link-popover.vala:139
 msgid "Link URL is not correctly formatted, e.g. http://example.com";
 msgstr "链接网址没有正确格式化，例如：http://example.com";
 
-#: src/client/composer/composer-link-popover.vala:142
+#: src/client/composer/composer-link-popover.vala:146
 msgid "Invalid link URL"
 msgstr "无效的链接网址"
 
-#: src/client/composer/composer-link-popover.vala:142
+#: src/client/composer/composer-link-popover.vala:146
 msgid "Invalid email address"
 msgstr "无效的邮件地址"
 
@@ -1890,6 +1890,11 @@ msgstr "，"
 msgid "Image"
 msgstr "图像"
 
+#: src/client/conversation-viewer/conversation-message.vala:1341
+#: src/client/conversation-viewer/conversation-message.vala:1347
+msgid "(unknown)"
+msgstr "（未知）"
+
 #. Translators: Info bar status message
 #: src/client/conversation-viewer/conversation-message.vala:1396
 msgid "Remote images not shown"