Fix arm64 build dependecies (#4)

Author: dellis1972

build/BuildWindowsTask.cs

@@ -19,9 +19,9 @@ private void BuildForArchitecture(BuildContext context, string cmakeArch, string
         context.CreateDirectory(buildWorkingDir);
 
         context.StartProcess("cmake", new ProcessSettings { WorkingDirectory = buildWorkingDir, Arguments = $"-A {cmakeArch} {cmakeOptions} -DSAN=ON -DSTATIC=TRUE ../" });
-        context.ReplaceTextInFiles($"basis_universal/basisu.vcxproj", "MultiThreadedDLL", "MultiThreaded");
-        context.ReplaceTextInFiles($"basis_universal/basisu_encoder.vcxproj", "MultiThreadedDLL", "MultiThreaded");
-        context.ReplaceTextInFiles($"basis_universal/examples.vcxproj", "MultiThreadedDLL", "MultiThreaded");
+        context.ReplaceTextInFiles($"{buildWorkingDir}/basisu.vcxproj", "MultiThreadedDLL", "MultiThreaded");
+        context.ReplaceTextInFiles($"{buildWorkingDir}/basisu_encoder.vcxproj", "MultiThreadedDLL", "MultiThreaded");
+        context.ReplaceTextInFiles($"{buildWorkingDir}/examples.vcxproj", "MultiThreadedDLL", "MultiThreaded");
         context.StartProcess("cmake", new ProcessSettings { WorkingDirectory = buildWorkingDir, Arguments = "--build . --config release" });
 
         context.CreateDirectory($"{context.ArtifactsDir}/{rid}");