Updated Working on Windows (markdown)

Working-on-Windows.md

@@ -119,7 +119,7 @@ Using MinGW make tool, just navigate from command line to `raylib/examples/` fol
 
 Open `w64devkit.exe` in `C:\raylib\w64devkit` then cd to `c:/raylib/raylib/examples/core` and type:
 
-    gcc core_basic_window.c -lraylib -lopengl32 -lgdi32 -lwinmm
+    gcc core_basic_window.c -lraylib -lgdi32 -lwinmm
 
 This will output `a.exe` to the current directory, where you can run it with `./a.exe`.