[UCRT] Import Microsoft.Windows.SDK.CRTSource version 10.0.22621.3

Imported from https://www.nuget.org/packages/Microsoft.Windows.SDK.CRTSource/10.0.22621.3
License: MIT

sdk/lib/ucrt/stdlib/abs.cpp

@@ -0,0 +1,24 @@
+//
+// abs.cpp
+//
+//      Copyright (c) Microsoft Corporation. All rights reserved.
+//
+// Defines abs() and _abs64(), which compute the absolute value of a number.
+//
+#include <stdlib.h>
+
+
+
+#pragma function(abs, _abs64)
+
+
+
+extern "C" int __cdecl abs(int const number)
+{
+    return number >= 0 ? number : -number;
+}
+
+extern "C" __int64 __cdecl _abs64(__int64 const number)
+{
+    return number >= 0 ? number : -number;
+}