M109 EOL fix when TEMP_RESIDENCY_TIME is undefined; printer interface (pronterface...

diff --git a/Marlin/Marlin.pde b/Marlin/Marlin.pde
index 824a57d7808c8dcebd45e261f568b638fe121b52..bbef8170d7f084142376ddf3a6bb889a503c0ca1 100644 (file)
--- a/Marlin/Marlin.pde
+++ b/Marlin/Marlin.pde
@@ -864,6 +864,8 @@ FORCE_INLINE void process_commands()
               {
                  SERIAL_PROTOCOLLN( "?" );
               }
+            #else
+              SERIAL_PROTOCOLLN("");
             #endif
             codenum = millis();
           }