insert libkmime catalog (3 strings were missing in KMail)

svn path=/branches/KDE/3.5/kdepim/; revision=474031

kmstartup.cpp

@@ -221,6 +221,7 @@ void insertLibraryCataloguesAndIcons() {
     "libkdepim",
     "libksieve",
     "libkleopatra",
+    "libkmime"
   };
 
   KLocale * l = KGlobal::locale();