Merge pull request #265 from Huntrr/master

Fixed mispelling of dictionary in include/swift/AST/Types.h

Author: gribozavr

include/swift/AST/Types.h

@@ -3246,7 +3246,7 @@ class DictionaryType : public TypeBase {
       Key(key), Value(value), ImplOrContext(&ctx) {}
 
 public:
-  /// Return a uniqued dicitonary type with the specified key and value types.
+  /// Return a uniqued dictionary type with the specified key and value types.
   static DictionaryType *get(Type keyTy, Type valueTy);
 
   Type getKeyType() const { return Key; }