replaced ODIN_OS string values with enums

vendor/glfw/bindings/bindings.odin

@@ -3,22 +3,25 @@ package glfw_bindings
 import "core:c"
 import vk "vendor:vulkan"
 
-when ODIN_OS == "linux"   { foreign import glfw "system:glfw" } // TODO: Add the billion-or-so static libs to link to in linux
-when ODIN_OS == "darwin"  { 
-    foreign import glfw { 
-        "../lib/darwin/libglfw3.a",
-        "system:Cocoa.framework",
-        "system:IOKit.framework",
-        "system:OpenGL.framework",
-    }
-}
-when ODIN_OS == "windows" { 
+when ODIN_OS == .Windows {
 	foreign import glfw { 
 		"../lib/glfw3_mt.lib",
 		"system:user32.lib", 
 		"system:gdi32.lib", 
 		"system:shell32.lib",
 	} 
+} else when ODIN_OS == .Linux {
+	// TODO: Add the billion-or-so static libs to link to in linux
+	foreign import glfw "system:glfw"
+} else when ODIN_OS == .Darwin {
+	 foreign import glfw { 
+        "../lib/darwin/libglfw3.a",
+        "system:Cocoa.framework",
+        "system:IOKit.framework",
+        "system:OpenGL.framework",
+    }
+} else {
+	foreign import glfw "system:glfw"
 }
 
 #assert(size_of(c.int) == size_of(b32))