subversion: improve caveats line breaks.

Formula/subversion.rb

@@ -164,33 +164,32 @@ class Subversion < Formula
     s = <<-EOS.undent
       svntools have been installed to:
         #{opt_prefix}/libexec
-
     EOS
 
     s += python.standard_caveats if python
 
     if build.include? 'perl'
       s += <<-EOS.undent
+
         The perl bindings are located in various subdirectories of:
           #{prefix}/Library/Perl
-
       EOS
     end
 
     if build.include? 'ruby'
       s += <<-EOS.undent
+
         You may need to add the Ruby bindings to your RUBYLIB from:
           #{HOMEBREW_PREFIX}/lib/ruby
-
       EOS
     end
 
     if build.include? 'java'
       s += <<-EOS.undent
+
         You may need to link the Java bindings into the Java Extensions folder:
           sudo mkdir -p /Library/Java/Extensions
           sudo ln -s #{HOMEBREW_PREFIX}/lib/libsvnjavahl-1.dylib /Library/Java/Extensions/libsvnjavahl-1.dylib
-
       EOS
     end