From c1cc423572e3b7f2c5e5253548809de9d00aac6e Mon Sep 17 00:00:00 2001
From: Stefan de Bruijn <stefan@nubilosoft.com>
Date: Thu, 22 Oct 2020 20:34:52 +0200
Subject: [PATCH] Fixed signature of ++ operator

---
 Grbl_Esp32/src/Pins/PinOptionsParser.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Grbl_Esp32/src/Pins/PinOptionsParser.cpp b/Grbl_Esp32/src/Pins/PinOptionsParser.cpp
index 924bd631..17ec7366 100644
--- a/Grbl_Esp32/src/Pins/PinOptionsParser.cpp
+++ b/Grbl_Esp32/src/Pins/PinOptionsParser.cpp
@@ -7,7 +7,7 @@ namespace Pins {
 
     bool PinOption::is(const char* option) const { return !::strcmp(option, _start); }
 
-    PinOption PinOption ::operator++() {
+    PinOption& PinOption ::operator++() {
         if (_start != _end) {
             auto newStart = _start + ::strlen(_start);  // to the \0
             if (newStart != _end) {                     // and 1 past it if we're not at the end