Misc style fixes

* include/abg-hash.h (combine_hashes): Remove trailing white
	spaces.
	* include/abg-ir.h (class function_decl): Add end-of-class
	comment.
	(struct type_base::cached_hash): Fix comment.
	* src/abg-comparison.cc: Remove useless new line.
	* src/abg-corpus.cc: Likewise.
	* src/abg-writer.cc: Likewise.

Signed-off-by: Dodji Seketeli <dodji@redhat.com>

include/abg-hash.h

@@ -30,9 +30,9 @@ namespace abigail
 /// Namespace for hashing.
 namespace hashing
 {
-  /// Produce good hash value combining val1 and val2.  
+  /// Produce good hash value combining val1 and val2.
   /// This is copied from tree.c in GCC.
-  std::size_t 
+  std::size_t
   combine_hashes(std::size_t, std::size_t);
 }//end namespace hashing
 }//end namespace abigail

include/abg-ir.h

@@ -1122,7 +1122,7 @@ public:
   traverse(ir_node_visitor&);
 
   virtual ~function_decl();
-};
+}; // end class function_decl
 
 /// Convenience typedef for a shared pointer on a @ref function_type
 typedef shared_ptr<function_type> function_type_sptr;
@@ -2275,7 +2275,7 @@ struct type_base::dynamic_hash
   operator()(const type_base* t) const;
 };
 
-/// A hasher that manages the cache the computed hash and re-use it if
+/// A hasher that manages to cache the computed hash and re-use it if
 /// it is available.
 struct type_base::cached_hash
 {

src/abg-comparison.cc

@@ -3083,7 +3083,6 @@ scope_diff::report(ostream& out, const string& indent) const
     }
   if (emitted)
     out << "\n";
-
 }
 
 /// Compute the diff between two scopes.

src/abg-corpus.cc

@@ -479,5 +479,4 @@ corpus::get_variables() const
 
   return priv_->vars;
 }
-
 }// end namespace abigail

src/abg-writer.cc

@@ -91,7 +91,6 @@ public:
   }
 };
 
-
 typedef unordered_map<type_base*,
 		      string,
 		      type_base::cached_hash,