Merge pull request #42 from KurtE/led_matrix_sequence_done

LED_matrix: move _sequenceDone = true out of if block

Author: facchinm

Diff for: libraries/Arduino_LED_Matrix/src/Arduino_LED_Matrix.h

@@ -175,8 +175,8 @@ class ArduinoLEDMatrix {
             }
             if(_callBack != nullptr){
                 _callBack();
-                _sequenceDone = true;
             }
+            _sequenceDone = true;
         }
         memcpy(framebuffer, (uint32_t*)frame, sizeof(frame));
     }