check program for VL53L0X_simple library

Dependencies:   VL53L0X_simple TextLCD

Please refer below page.
/users/kenjiArai/notebook/vl53l0x-tof-sensor/

Revision:
3:1be17b18b200
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/check_revision.cpp	Mon Feb 24 11:22:18 2020 +0000
@@ -0,0 +1,21 @@
+/*
+ * Check Mbed revision
+ *
+ * Copyright (c) 2019,'20 Kenji Arai / JH1PJL
+ *  http://www7b.biglobe.ne.jp/~kenjia/
+ *  https://os.mbed.com/users/kenjiArai/
+ *      Created:    July      17th, 2019
+ *      Revised:    Feburary  24th, 2020
+ */
+
+#include "mbed.h"
+
+//    RUN ONLY ON mbed-os5.15.1
+//      https://github.com/ARMmbed/mbed-os/releases/tag/mbed-os-5.15.1
+#if (MBED_MAJOR_VERSION == 5) &&\
+    (MBED_MINOR_VERSION == 15) &&\
+    (MBED_PATCH_VERSION == 1)
+#else
+    //#warning "Please use Mbed-os5.15.1"
+    #error "Please use Mbed-os5.15.1"
+#endif