Reset the CEA-708 font stretch property when re-initialised.

(cherry picked from commit 399c1bc)

mythtv/libs/libmythtv/subtitlescreen.cpp

@@ -951,13 +951,14 @@ bool SubtitleScreen::Initialise708Fonts(int fontStretch)
 {
     static bool initialised = false;
     if (initialised)
+    {
+        foreach(MythFontProperties* font, gCC708Fonts)
+            font->face().setStretch(fontStretch);
         return true;
-
-    initialised = true;
+    }
 
     VERBOSE(VB_IMPORTANT, "Initialise708Fonts()");
 
-    // TODO remove extra fonts from settings page
     QStringList fonts;
     fonts.append("Droid Sans Mono"); // default
     fonts.append("FreeMono");        // mono serif
@@ -982,8 +983,9 @@ bool SubtitleScreen::Initialise708Fonts(int fontStretch)
             count++;
         }
     }
+    initialised = count > 0;
     VERBOSE(VB_PLAYBACK, LOC + QString("Loaded %1 CEA-708 fonts").arg(count));
-    return true;
+    return initialised;
 }
 
 MythFontProperties* SubtitleScreen::Get708Font(CC708CharacterAttribute attr)