Fix Windows build error

docs/build-and-run.md

@@ -188,7 +188,7 @@ Visual Studio projects generated by Flutter don't have any backend files,
 but you can drag and drop files from `cpp` folders to open them in Visual Studio and set breakpoints.
 
 Run `flutter build windows` to build release folder with the app.
-The release folder will be located in `flutter/build/windows/runner/Release/`.
+The release folder will be located in `flutter/build/windows/x64/runner/Release/`.
 To create redistributable copy the following files into the application directory:
 
 ```text

flutter/windows/windows.mk

@@ -58,11 +58,11 @@ flutter/windows/release/prepare-dlls:
 .PHONY: flutter/windows/release/copy-dlls
 flutter/windows/release/copy-dlls:
 	currentDir=$$(pwd) && cd "${flutter_windows_dlls_path}" && \
-		cp  --target-directory $$currentDir/flutter/build/windows/runner/Release ${flutter_windows_dlls_list}
+		cp  --target-directory $$currentDir/flutter/build/windows/x64/runner/Release ${flutter_windows_dlls_list}
 
 .PHONY: flutter/windows/release/build
 flutter/windows/release/build:
-	rm -rf flutter/build/windows/runner/Release
+	rm -rf flutter/build/windows/x64/runner/Release
 	cd flutter && ${_start_args} flutter --no-version-check build windows --no-pub \
 		${flutter_official_build_arg} \
 		${flutter_firebase_crashlytics_arg} \
@@ -75,7 +75,7 @@ flutter/windows/release/name:
 
 	rm -rf ${flutter_windows_releases}/${FLUTTER_RELEASE_NAME}
 	mkdir -p ${flutter_windows_releases}
-	mv flutter/build/windows/runner/Release ${flutter_windows_releases}/${FLUTTER_RELEASE_NAME}
+	mv flutter/build/windows/x64/runner/Release ${flutter_windows_releases}/${FLUTTER_RELEASE_NAME}
 
 .PHONY: flutter/windows/release/archive
 flutter/windows/release/archive: