Correct forward declarations (struct vs. class)

diff --git a/flower/include/flower-proto.hh b/flower/include/flower-proto.hh
index adb6d349b15e030dace3cad47df6f7c208b09c58..7cdd7d9bf4fe2ff88f83c81b28e53df614f85838 100644 (file)
--- a/flower/include/flower-proto.hh
+++ b/flower/include/flower-proto.hh
@@ -37,12 +37,12 @@ template<class T, class A> class Matrix;
 
 typedef Interval_t<Real> Interval;
 
-struct Offset;
+class Offset;
 struct Long_option_init;
-struct Rational;
+class Rational;
 class File_name;
 class File_path;
-struct Getopt_long;
+class Getopt_long;
 
 typedef unsigned char U8;
 typedef short I16;