fix whitespaces detected by .editorconfig
diff --git a/lib/js/test/test.html b/lib/js/test/test.html
index c654e8c..edec3a3 100755
--- a/lib/js/test/test.html
+++ b/lib/js/test/test.html
@@ -1,4 +1,4 @@
-<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
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