Fix incorrect delay specification

Changes "10 s" to "10_s"

Author: alrvid

examples/TurnPeripheralsOff/TurnPeripheralsOff.ino

@@ -55,7 +55,7 @@ void setup() {
 
 
 
-    LowPower.standbyM7(LowPowerStandbyType::untilPinActivity | LowPowerStandbyType::untilTimeElapsed, 10 s);
+    LowPower.standbyM7(LowPowerStandbyType::untilPinActivity | LowPowerStandbyType::untilTimeElapsed, 10_s);
     //
     // The following is an alternative way to go into Standby Mode for 10 seconds:
     // LowPower.standbyM7(LowPowerStandbyType::untilTimeElapsed, RTCWakeupDelay(0, 0, 10));
@@ -68,4 +68,4 @@ void setup() {
   #endif
 }
 
-void loop() {}
+void loop() {}