test: fixed incorrect difference report from test 666 on Linux

test/functions.source

@@ -72,9 +72,9 @@ copyTestFiles()
 # result analysis
 reportTest()
 {
-	if [ -e `which dos2unix` ]; then
+    cat $results | tr \\ / > ${results}-new
-	    sed 's,\\,/,g' $results > ${results}-new
     	mv -f ${results}-new $results
+    if [ ! -z `which dos2unix` ]; then
         unix2dos $results >/dev/null 2>&1
     fi