bzip2: Prefer LF as EOL in dlltest.c

All other .c files have LF line endings, so there is no need to deviate
here.

Utilities/Scripts/update-bzip2.bash

@@ -21,6 +21,7 @@ extract_source () {
     git_archive
     pushd "${extractdir}/${name}-reduced"
     echo "* -whitespace" > .gitattributes
+    fromdos dlltest.c
     popd
 }