Don't bother calling MB.print if LogMsg is empty when flushed
Don't bother calling MB.print if LogMsg is empty when flushed

--- a/KerbalEngineer/LogMsg.cs
+++ b/KerbalEngineer/LogMsg.cs
@@ -15,7 +15,8 @@
 
         public void Flush()
         {
-            MonoBehaviour.print(this.buf);
+            if (this.buf.Length > 0)
+                MonoBehaviour.print(this.buf);
             this.buf.Length = 0;
         }
     }