try harder to log remote status (error) messages

For example, if remote fails with "compiler did not start" and
client fails to send EndMsg(), still try to read the StatusTextMsg.

client/remote.cpp

@@ -242,8 +242,8 @@ static UseCSMsg *get_server(MsgChannel *local_daemon)
 static void check_for_failure(Msg *msg, MsgChannel *cserver)
 {
     if (msg && msg->type == M_STATUS_TEXT) {
-        log_error() << static_cast<StatusTextMsg*>(msg)->text << " - compiled on "
-                    << cserver->name << endl;
+        log_error() << "Remote status (compiled on " << cserver->name << "): "
+                    << static_cast<StatusTextMsg*>(msg)->text << endl;
         throw(23);
     }
 }
@@ -579,6 +579,13 @@ static int build_remote_int(CompileJob &job, UseCSMsg *usecs, MsgChannel *local_
         }
 
     } catch (int x) {
+        // Handle pending status messages, if any.
+        while( Msg* msg = cserver->get_msg(0)) {
+            if(msg->type == M_STATUS_TEXT)
+                log_error() << "Remote status (compiled on " << cserver->name << "): "
+                            << static_cast<StatusTextMsg*>(msg)->text << endl;
+            delete msg;
+        }
         delete cserver;
         cserver = 0;
         throw(x);