[ox/std] Move ox::defines::OS to ox::OS

deps/ox/src/ox/std/defines.hpp

@@ -8,7 +8,20 @@
 
 #pragma once
 
-namespace ox::defines {
+namespace ox {
+
+enum class OS {
+	BareMetal,
+	NetBSD,
+	OpenBSD,
+	FreeBSD,
+	DragonFlyBSD,
+	Linux,
+	Darwin,
+	Windows
+};
+
+namespace defines {
 
 #if defined(OX_NODEBUG)
 constexpr bool NoDebug = true;
@@ -42,17 +55,6 @@ constexpr auto BigEndian = false;
 constexpr auto LittleEndian = true;
 #endif
 
-enum class OS {
-	BareMetal,
-	NetBSD,
-	OpenBSD,
-	FreeBSD,
-	DragonFlyBSD,
-	Linux,
-	Darwin,
-	Windows
-};
-
 #if defined(__FreeBSD__)
 constexpr OS OS = OS::FreeBSD;
 #define OX_OS_FreeBSD
@@ -80,3 +82,4 @@ constexpr OS OS = OS::BareMetal;
 #endif
 
 }
+}