#5755: Fix fedora 15 compilation without patching ccrtp

sflphone-common/src/MimeParameters.h

@@ -30,6 +30,8 @@
 #ifndef __SFL_MIME_PARAMETERS_H__
 #define __SFL_MIME_PARAMETERS_H__
 
+using namespace std;
+
 /**
  * Start a new payload format definition.
  */

sflphone-common/src/audio/audiortp/AudioZrtpSession.h

@@ -30,6 +30,7 @@
 #ifndef __SFL_AUDIO_ZRTP_SESSION_H__
 #define __SFL_AUDIO_ZRTP_SESSION_H__
 
+using namespace std;
 
 #include <ccrtp/rtp.h>
 

sflphone-common/src/audio/audiortp/ZrtpSessionCallback.h

@@ -31,6 +31,8 @@
 #ifndef __SFL_ZRTP_CALLBACK_H__
 #define __SFL_ZRTP_CALLBACK_H__
 
+using namespace std;
+
 #include <libzrtpcpp/zrtpccrtp.h>
 #include <libzrtpcpp/ZrtpQueue.h>
 #include <libzrtpcpp/ZrtpUserCallback.h>