meta: Improve debug build snippet

Author: jp7677

README.md

@@ -91,7 +91,7 @@ The actual unit tests can be run with `nvapi64-tests.exe [@unit-tests]` to valid
 Producing a debug build and starting a debugging session with the test suite can be achieved with the following snippet:
 
 ```bash
-meson --cross-file "./build-win64.txt" --buildtype "debugoptimized" -Denable_tests=True build/dev
+meson setup --cross-file "./build-win64.txt" --buildtype "debugoptimized" -Denable_tests=True build/dev
 meson compile -C build/dev
 
 DXVK_LOG_LEVEL=none DXVK_NVAPI_LOG_LEVEL=none WINEDEBUG=-all WINEDLLOVERRIDES=nvapi64=n WINEPATH=build/dev/src winedbg --gdb build/dev/tests/nvapi64-tests.exe [@all]