Fix quoting for RSS links

Spotted by Mikael Berthe <[e-mail]>

templates/changelogentry-rss.tmpl

@@ -1,6 +1,6 b''
 <item>
     <title>#desc|firstline|escape#</title>
-    <link>#url#?cmd=changeset;node=#node#"</link>
+    <link>#url#?cmd=changeset;node=#node#</link>
     <description>#desc|escape|addbreaks#</description>
     <author>#author|obfuscate#</author>
     <pubDate>#date|rfc822date#</pubDate>

templates/filelogentry-rss.tmpl

@@ -1,6 +1,6 b''
 <item>
     <title>#desc|firstline|escape#</title>
-    <link>#url#?cmd=file;file=#file#;filenode=#filenode#"</link>
+    <link>#url#?cmd=file;file=#file#;filenode=#filenode#</link>
     <description>#desc|escape|addbreaks#</description>
     <author>#author|obfuscate#</author>
     <pubDate>#date|rfc822date#</pubDate>>