remove trailing whitespace

Change-Id: I2aa2e25b818cf3425214073b83ff4b708e607712

diff --git a/foCustomization.xsl b/foCustomization.xsl
index ab7849d..6135314 100644
--- a/foCustomization.xsl
+++ b/foCustomization.xsl
@@ -131,7 +131,7 @@
     </xsl:attribute-set>

     <!-- no headers -->
-    <xsl:template name="header.content"/>
+    <xsl:template name="header.content"/>

     <!-- footers -->
     <xsl:param name="symbol.font.family">Arial</xsl:param>
@@ -144,7 +144,7 @@
         <xsl:attribute name="font-size">10pt</xsl:attribute>
     </xsl:attribute-set>

-    <xsl:template name="footer.content">
+    <xsl:template name="footer.content">
         <xsl:param name="pageclass" select="''"/>
         <xsl:param name="sequence" select="''"/>
         <xsl:param name="position" select="''"/>
@@ -206,7 +206,7 @@
     <xsl:attribute-set name="xref.properties">
         <xsl:attribute name="color">#0067c5</xsl:attribute>
         <xsl:attribute name="text-decoration">underline</xsl:attribute>
-    </xsl:attribute-set>
+    </xsl:attribute-set>

     <!-- Customize admonitions -->
     <xsl:attribute-set name="admonition.title.properties">