Merge pull request #1666 from MennoVink/patch-1

Update copy_lib_to_staging.sh
diff --git a/Scripts/copy_lib_to_staging.sh b/Scripts/copy_lib_to_staging.sh
index fabadd3..ff58967 100755
--- a/Scripts/copy_lib_to_staging.sh
+++ b/Scripts/copy_lib_to_staging.sh
@@ -12,4 +12,4 @@
 cp -a "${MVK_BUILT_PROD_FILE}" "${staging_dir}/${MVK_PROD_FILENAME}"
 
 # Mark the XCFrameworkStaging directory as changed, to trigger packaging dependencies.
-touch ${MVK_XCFWK_STAGING_DIR}/..
+touch "${MVK_XCFWK_STAGING_DIR}/.."