progman: Fix ellipsis usage in the menu and button labels.

Also renamed the 'Attributes' menu item to 'Properties' as it seems more 
standard and appropriate.
diff --git a/po/bg.po b/po/bg.po
index ca5371f..5459b5f 100644
--- a/po/bg.po
+++ b/po/bg.po
@@ -8900,16 +8900,18 @@
 msgstr "&Копирай"
 
 #: progman.rc:35
-msgid "&Attributes...\tAlt+Enter"
-msgstr ""
+#, fuzzy
+msgid "&Properties\tAlt+Enter"
+msgstr "Свойства"
 
 #: progman.rc:37
 msgid "&Execute..."
 msgstr ""
 
 #: progman.rc:39
-msgid "E&xit Windows..."
-msgstr ""
+#, fuzzy
+msgid "E&xit Windows"
+msgstr "&Още прозорци..."
 
 #: progman.rc:41 taskmgr.rc:41 winefile.rc:63 winhlp32.rc:44
 msgid "&Options"