Merge remote-tracking branch 'origin/master'

Author: mjpt777

sbe-tool/src/main/java/uk/co/real_logic/sbe/generation/c/CGenerator.java

@@ -2282,7 +2282,7 @@ private static void generateCompositePropertyFunction(
  final int offset = token.offset();
 
  sb.append(String.format("\n" +
- "struct %1$s *%4$s_%2$s(struct %4$s *const codec, struct %1$s *const composite)\n" +
+ "SBE_ONE_DEF struct %1$s *%4$s_%2$s(struct %4$s *const codec, struct %1$s *const composite)\n" +
  "{\n" +
  " return %1$s_wrap(\n" +
  " composite,\n" +