docs/download.html: Fix tarball typos

Reported-by: Arnout Vandecappelle <arnout@mind.be>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

docs/download.html

@@ -18,9 +18,9 @@ or
 The latest release candidate is <b>2013.11-rc1</b>, which can be
 downloaded here:<p>
 
-<a href="/downloads/buildroot-2013.11-rc1tar.gz">buildroot-2013.11-rc1.tar.gz</a>
+<a href="/downloads/buildroot-2013.11-rc1.tar.gz">buildroot-2013.11-rc1.tar.gz</a>
 or
-<a href="/downloads/buildroot-2013.11-rc3.tar.bz2">buildroot-2013.11-rc1.tar.bz2</a>.
+<a href="/downloads/buildroot-2013.11-rc1.tar.bz2">buildroot-2013.11-rc1.tar.bz2</a>.
 <p>
 
 This and earlier releases can always be downloaded from