Minor whitespace fixes

source/utf8/checked.h

@@ -312,4 +312,3 @@ namespace utf8
 
 #endif //header guard
 
-

source/utf8/core.h

@@ -222,7 +222,7 @@ namespace internal
     template <typename octet_iterator>
     utf_error validate_next(octet_iterator& it, octet_iterator end, uint32_t& code_point)
     {
-	if (it == end)
+        if (it == end)
             return NOT_ENOUGH_ROOM;
 
         // Save the original value of it so we can go back in case of failure

source/utf8/cpp11.h

@@ -101,3 +101,4 @@ namespace utf8
 } // namespace utf8
 
 #endif // header guard
+