Trailing whitespaces

[SVN r78516]

example/doc_assoc_optimized_code.cpp

@@ -20,7 +20,7 @@ using namespace boost::intrusive;
 struct StrHasher
 {
    std::size_t operator()(const char *str) const
-   {  
+   { 
       std::size_t seed = 0;
       for(; *str; ++str)   boost::hash_combine(seed, *str);
       return seed;
@@ -31,7 +31,7 @@ class Expensive : public set_base_hook<>, public unordered_set_base_hook<>
 {
    std::string key_;
    // Other members...
-  
+ 
    public:
    Expensive(const char *key)
       :  key_(key)