docs/manual/adding-packages-generic: remove useless carriage return

Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
(cherry picked from commit a3529b8020a8c8b61d9eadc455f38ce892a7c6f3)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

docs/manual/adding-packages-generic.txt

@@ -314,8 +314,7 @@ not and can not work as people would expect it should:
      13:45+01" see "man cvs" for further details).
   ** +git+ for retrieving source code from a Git repository. Used by
      default when +LIBFOO_SITE+ begins with +git://+. The downloaded
-     source code is cached as with the +svn+
-     method.
+     source code is cached as with the +svn+ method.
   ** +hg+ for retrieving source code from a Mercurial repository. One
      'must' specify +LIBFOO_SITE_METHOD=hg+ when +LIBFOO_SITE+
      contains a Mercurial repository URL. The downloaded source code