[mutter] Use Unicode quotation marks in a translatable string

[Piotr Drąg <piotrdrag src gnome org>]

commit bdbd2e96de25b659ad5ecbbcd0ba38de91aceb35
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Tue Aug 29 18:08:08 2017 +0200

    Use Unicode quotation marks in a translatable string
    
    Also adjusts existing translations for it.
    
    See https://developer.gnome.org/hig/stable/typography.html
    
    https://bugzilla.gnome.org/show_bug.cgi?id=772218

 data/org.gnome.mutter.gschema.xml.in |    2 +-
 po/it.po                             |    2 +-
 po/lt.po                             |    2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/data/org.gnome.mutter.gschema.xml.in b/data/org.gnome.mutter.gschema.xml.in
index fb1cf73..d926312 100644
--- a/data/org.gnome.mutter.gschema.xml.in
+++ b/data/org.gnome.mutter.gschema.xml.in
@@ -122,7 +122,7 @@
                                         require a restart.
         • “remote-desktop”            — enables remote desktop support. To support
                                         remote desktop with screen sharing,
-                                        "screen-cast" must also be enabled.
+                                        “screen-cast” must also be enabled.
         • “screen-cast”               — enables screen cast support.
       </description>
     </key>
diff --git a/po/it.po b/po/it.po
index 9a29b2f..383df88 100644
--- a/po/it.po
+++ b/po/it.po
@@ -425,7 +425,7 @@ msgid ""
 "space, while scaling monitor framebuffers instead of window content, to "
 "manage HiDPI monitors. Does not require a restart. • “remote-desktop” — "
 "enables remote desktop support. To support remote desktop with screen "
-"sharing, \"screen-cast\" must also be enabled. • “screen-cast” — enables "
+"sharing, “screen-cast” must also be enabled. • “screen-cast” — enables "
 "screen cast support."
 msgstr ""
 "Per abilitare le funzionalità sperimentali, aggiungere la parola chiave di "
diff --git a/po/lt.po b/po/lt.po
index c53eeb6..b66eeb7 100644
--- a/po/lt.po
+++ b/po/lt.po
@@ -426,7 +426,7 @@ msgid ""
 "space, while scaling monitor framebuffers instead of window content, to "
 "manage HiDPI monitors. Does not require a restart. • “remote-desktop” — "
 "enables remote desktop support. To support remote desktop with screen "
-"sharing, \"screen-cast\" must also be enabled. • “screen-cast” — enables "
+"sharing, “screen-cast” must also be enabled. • “screen-cast” — enables "
 "screen cast support."
 msgstr ""
 "Norėdami įjungti eksperimentines savybes, pridėkite į sąrašą raktinį žodį. "