Using unsigned in sdp_media_t::m_mode bitfield.

enum is signed in VC6.

darcs-hash:20060104114204-65a35-257fbfc2409d270156987823c8c1c64051e28e26.gz

libsofia-sip-ua/sdp/sdp.h

@@ -287,7 +287,7 @@ struct sdp_media_s
   /** Rejected media */
   unsigned          m_rejected : 1;     
   /** Inactive, recvonly, sendonly, sendrecv */
-  sdp_mode_t        m_mode : 2;	        
+  /* sdp_mode_t */ unsigned m_mode : 2;
   unsigned          : 0;
 };