tdf#120795: fix ooo2wordml_list.xsl syntax

See errors in comments from tracker

Regression from:
https://cgit.freedesktop.org/libreoffice/core/commit/?id=1501df419ea4d40358d705a281fd9662088ba51e

Change-Id: I9bbf970ac2b8cbf8fcc448f0847f61e8606797c7
Reviewed-on: https://gerrit.libreoffice.org/62205
Tested-by: Jenkins
Reviewed-by: Julien Nabet <serval2412@yahoo.fr>

filter/source/xslt/export/wordml/ooo2wordml_list.xsl

@@ -228,12 +228,15 @@
             <xsl:when test="$number-format = 'I'">
                 <!-- nfcUCRoman: Uppercase roman -->
                 <w:nfc w:val="1"/>
+            </xsl:when>
             <xsl:when test="$number-format = '1st'">
                 <!-- nfcUCOrdinal: Ordinal indicator -->
                 <w:nfc w:val="5"/>
+            </xsl:when>
             <xsl:when test="$number-format = 'One'">
                 <!-- nfcCardText: Cardinal -->
                 <w:nfc w:val="6"/>
+            </xsl:when>
             <xsl:when test="$number-format = 'First'">
                 <!-- nfcOrdText: Ordinal -->
                 <w:nfc w:val="7"/>