Correct JackPosixSemaphore::Disconnect.

git-svn-id: http://subversion.jackaudio.org/jack/jack2/trunk/jackmp@4013 0c269be4-1314-0410-8aa9-9f06e86f4224

posix/JackPosixSemaphore.cpp

@@ -184,9 +184,8 @@ bool JackPosixSemaphore::ConnectOutput(const char* name, const char* server_name
 
 bool JackPosixSemaphore::Disconnect()
 {
-    jack_log("JackPosixSemaphore::Disconnect %s", fName);
-
     if (fSemaphore) {
+	jack_log("JackPosixSemaphore::Disconnect %s", fName);
         if (sem_close(fSemaphore) != 0) {
             jack_error("Disconnect: can't disconnect named semaphore name = %s err = %s", fName, strerror(errno));
             return false;