fix requested changes

used tabs instead of spaces,
change variable name to the one which is more uniform across the project,
fixed bug about condition always being true

code/espurna/ir.ino

@@ -14,7 +14,7 @@ Copyright (C) 2017-2018 by François Déchery
 
 IRrecv * _ir_recv;
 decode_results _ir_results;
-unsigned long last = millis();
+unsigned long _ir_last = millis();
 // -----------------------------------------------------------------------------
 // PRIVATE
 // -----------------------------------------------------------------------------
@@ -43,11 +43,12 @@ void _irProcessCode(unsigned long code) {
                 relayStatus(0, button_value);
             }
             if (button_mode == IR_BUTTON_MODE_TOGGLE) {
-		    if (millis() - last > 250){
-                relayToggle(button_value);
+		if (millis() - _ir_last > 250){
+			relayToggle(button_value);
+			_ir_last = millis();
 		    }
 		    else{
-		    DEBUG_MSG_P(PSTR("[IR] Ignoring repeated code\n"));
+			DEBUG_MSG_P(PSTR("[IR] Ignoring repeated code\n"));
 		    }
             }
             #if LIGHT_PROVIDER != LIGHT_PROVIDER_NONE