br/> tag appears in css code

hello i have a question, i have just installed this plugin and its working great on my posts, But on my forum the problem im having is that it adds a br/> tag in the code. what can i do to remove this br/> tag from the forum? this is the link from my forum where you can see the problem im having:
http://cyberspeclab.com/forum/innovative-1/home-page/#p253

Thanks

http://wordpress.org/plugins/syntaxhighlighter/