i18n: make sure to include translation of (DEPRECATED) stable

i18n: make sure to include translation of (DEPRECATED)

This patch replaces old "DEPRECATED" msgid by "(DEPRECATED)" if that .po
file does not have "(DEPRECATED)" but have "... (DEPRECATED)".

It is necessary to hide deprecated options correctly.

--- a/i18n/da.po	Tue Nov 03 22:39:26 2015 +0900
+++ b/i18n/da.po	Tue Nov 03 22:44:57 2015 +0900
@@ -9366,8 +9366,8 @@
 msgid "VALUE"
 msgstr ""
 
-msgid "DEPRECATED"
-msgstr "FORÆLDET"
+msgid "(DEPRECATED)"
+msgstr "(FORÆLDET)"
 
 msgid ""
 "\n"

--- a/i18n/it.po	Tue Nov 03 22:39:26 2015 +0900
+++ b/i18n/it.po	Tue Nov 03 22:44:57 2015 +0900
@@ -7505,8 +7505,8 @@
 msgid "VALUE"
 msgstr ""
 
-msgid "DEPRECATED"
-msgstr "DEPRECATO"
+msgid "(DEPRECATED)"
+msgstr "(DEPRECATO)"
 
 msgid ""
 "\n"

--- a/i18n/ro.po	Tue Nov 03 22:39:26 2015 +0900
+++ b/i18n/ro.po	Tue Nov 03 22:44:57 2015 +0900
@@ -8258,8 +8258,8 @@
 msgid "VALUE"
 msgstr "VALOARE"
 
-msgid "DEPRECATED"
-msgstr "ÎNVECHIT"
+msgid "(DEPRECATED)"
+msgstr "(ÎNVECHIT)"
 
 msgid ""
 "\n"

--- a/i18n/zh_CN.po	Tue Nov 03 22:39:26 2015 +0900
+++ b/i18n/zh_CN.po	Tue Nov 03 22:44:57 2015 +0900
@@ -10444,5 +10444,5 @@
 msgid "user name not available - set USERNAME environment variable"
 msgstr ""
 
-msgid "DEPRECATED"
-msgstr "不赞成"
+msgid "(DEPRECATED)"
+msgstr "(不赞成)"