fix custom verse breaks for windows

verses_with_chords.ly

@@ -5,7 +5,7 @@
      #{ \markup { \column {
      $(let ((verse-markup-string (
         string-append "\\line { "
-          (ly:regex-replace (ly:make-regex "\n") text " } \\line { ")
+          (ly:regex-replace (ly:make-regex "\r?\n") text " } \\line { ")
           " \\size-box-to-box ##f ##t \"\" \"Agj\" }" )))
        (ly:parser-include-string verse-markup-string))
      }}#}
@@ -108,7 +108,7 @@
     text
     (let make-custom-linebreaks
       ((break-words custom-verse-breaks)
-       (newtext (ly:regex-replace (ly:make-regex "\n") text " ")))
+       (newtext (ly:regex-replace (ly:make-regex "\r?\n") text " ")))
       (if (null? break-words)
           newtext
           (make-custom-linebreaks