Avoid huge CPU comsumption when rc and --daemon are use at the same time

Patch by Bertrand Marquis aka bma on Launchpad (LP#104698)
Refs #986

modules/control/rc.c

@@ -141,8 +141,12 @@ void __msg_rc( intf_thread_t *p_intf, const char *psz_fmt, ... )
 
     if( p_intf->p_sys->i_socket == -1 )
     {
-        utf8_vfprintf( stdout, psz_fmt, args );
-        printf( "\r\n" );
+        if (!config_GetInt( p_intf, "rc-fake-tty" ))
+        {
+            utf8_vfprintf( stdout, psz_fmt, args );
+            printf( "\r\n" );
+        }
+
     }
     else
     {
@@ -2297,6 +2301,12 @@ vlc_bool_t ReadCommand( intf_thread_t *p_intf, char *p_buffer, int *pi_size )
     }
 #endif
 
+   if (p_intf->p_sys->i_socket == -1 && config_GetInt( p_intf, "rc-fake-tty" ))
+   {
+        msleep( INTF_IDLE_SLEEP );
+        return VLC_FALSE;
+   }
+
     while( !p_intf->b_die && *pi_size < MAX_LINE_LENGTH &&
            (i_read = net_ReadNonBlock( p_intf, p_intf->p_sys->i_socket == -1 ?
                        0 /*STDIN_FILENO*/ : p_intf->p_sys->i_socket, NULL,