Fix CMAKE_BUILD_PARALLEL_LEVEL link

Bug: b/249015129
Change-Id: Icbbbad647ea91817fcaa3f4c92e3a6f5cbf371ea
Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/68668
Tested-by: Nicolas Capens <nicolascapens@google.com>
Kokoro-Result: kokoro <noreply+kokoro@google.com>
Reviewed-by: Alexis Hétu <sugoi@google.com>

README.md

diff --git a/README.md b/README.md
index 8edb031..1afe3fb 100644
--- a/README.md
+++ b/README.md
@@ -25,7 +25,7 @@
 

   ./vk-unittests

   ```

-  Tip: Set the [CMAKE_BUILD_PARALLEL_LEVEL](https://cmake.org/cmake/help/latest/envvar/.CMAKE_BUILD_PARALLEL_LEVEL.html#envvar:CMAKE_BUILD_PARALLEL_LEVEL) environment variable to control the level of parallelism.

+  Tip: Set the [CMAKE_BUILD_PARALLEL_LEVEL](https://cmake.org/cmake/help/latest/envvar/CMAKE_BUILD_PARALLEL_LEVEL.html) environment variable to control the level of parallelism.

 

 

 * **Visual Studio**