fetcher: add exclude rule for LibreOffice lock files

SparkleLib/SparkleFetcherBase.cs

@@ -57,6 +57,9 @@ namespace SparkleLib {
                 // gedit and emacs
                 "*~",
 
+                // LibreOffice
+                ".~lock.*",
+
                 // Firefox and Chromium temporary download files
                 "*.part",
                 "*.crdownload",

SparkleShare/Mac/SparkleSetupWindow.cs

@@ -79,7 +79,7 @@ namespace SparkleShare {
                 Bordered        = false,
                 Editable        = false,
                 Font            = NSFontManager.SharedFontManager.FontWithFamily
-                    ("Lucida Grande", NSFontTraitMask.Condensed, 0, 11)
+                    ("Lucida Grande", NSFontTraitMask.Condensed, 0, 12)
             };
 
             if (Program.UI != null)

SparkleShare/SparkleControllerBase.cs

@@ -743,6 +743,7 @@ namespace SparkleShare {
                         file_name.EndsWith (".key")) {
 
                         key_file_path = Path.Combine (keys_path, file_name);
+                        break;
                     }
                 }
             }