Update inductor_windows_cpu.rst

Author: svekars

prototype_source/inductor_windows_cpu.rst

@@ -74,7 +74,7 @@ Here’s a simple example to demonstrate how to use TorchInductor:
     import torch
     def foo(x, y):
         a = torch.sin(x)
-        b = torch.cos(x)
+        b = torch.cos(y)
         return a + b
     opt_foo1 = torch.compile(foo)
     print(opt_foo1(torch.randn(10, 10), torch.randn(10, 10)))