fix: redbear-greeter — include stdlib.h before Qt for strtold

local/recipes/system/redbear-greeter/source/ui/greeter_backend.cpp

@@ -1,3 +1,4 @@
+#include <stdlib.h>
 #include "greeter_backend.h"
 
 #include <QByteArray>

local/recipes/system/redbear-greeter/source/ui/main.cpp

@@ -1,3 +1,4 @@
+#include <stdlib.h>
 #include <QGuiApplication>
 #include <QQmlApplicationEngine>
 #include <QQmlContext>