Creates lock file parent dirs if necessary

src/net/java/sip/communicator/util/launchutils/SipCommunicatorLock.java

@@ -149,6 +149,7 @@ public int tryLock(String[] args)
         // right the bind address in the file
         try
         {
+            lockFile.getParentFile().mkdirs();
             lockFile.createNewFile();
         }
         catch (IOException e)