adf_dir / adfEntryGetInfo: make available (export) in Windows DLL.

Author: t-w

src/adf_dir.h

@@ -152,6 +152,6 @@ ADF_SECTNUM adfNameToEntryBlk( struct AdfVolume * const      vol,
  * with text information about the device and its volumes.
  * It must be free()-d afterwards.
  */
-char * adfEntryGetInfo( const struct AdfEntry * const  entry );
+ADF_PREFIX char * adfEntryGetInfo( const struct AdfEntry * const  entry );
 
 #endif  /* ADF_DIR_H */