break rather than continue when file is found in BP_Component::includes()
    
When we find the first instance of a file, there's no need to check the
rest of the members of the array - thus a break.
	        
Fixes #5154
		        
Props mboynes


git-svn-id: https://buddypress.svn.wordpress.org/trunk@7355 cdf35c40-ae34-48e0-9cc9-0c9da1808c22