Update bmffimage.hpp include order and path

No need to treat it differently since 206a2c495c

(could even back-port to 0.27 if there is RC3 coming)

include/exiv2/exiv2.hpp

@@ -25,6 +25,7 @@
 #include "exiv2/config.h"
 #include "exiv2/datasets.hpp"
 #include "exiv2/basicio.hpp"
+#include "exiv2/bmffimage.hpp"
 #include "exiv2/bmpimage.hpp"
 #include "exiv2/convert.hpp"
 #include "exiv2/cr2image.hpp"
@@ -45,7 +46,6 @@
 #include "exiv2/mrwimage.hpp"
 #include "exiv2/orfimage.hpp"
 #include "exiv2/pgfimage.hpp"
-#include "bmffimage.hpp"
 
 #ifdef EXV_HAVE_LIBZ
 #include "exiv2/pngimage.hpp"