Nag the user if demo recording fails to start.

src/client/demo.c

@@ -230,10 +230,11 @@ void CL_EmitDemoFrame(void)
         cls.demo.frames_dropped++;
 
         // warn the user if drop rate is too high
-        if (cls.demo.frames_written < 10 && cls.demo.frames_dropped == 50)
-            Com_WPrintf("Too many demo frames don't fit into %u bytes.\n"
-                        "Try to increase 'cl_demomsglen' value and restart recording.\n",
-                        cls.demo.buffer.maxsize);
+        if (cls.demo.frames_written < 10 && !(cls.demo.frames_dropped % 50)) {
+            Com_WPrintf("Too many demo frames don't fit into %u bytes!\n", cls.demo.buffer.maxsize);
+            if (cls.demo.frames_dropped == 50)
+                Com_WPrintf("Try to increase 'cl_demomsglen' value and restart recording.\n");
+        }
     } else {
         SZ_Write(&cls.demo.buffer, msg_write.data, msg_write.cursize);
         cls.demo.last_server_frame = cl.frame.number;