sanei_scsi.h requires sane/config.h

sanei_scsi.h uses u_char which is defined in sane/config.h
so it appropriate to ad an #include for it.

include/sane/sanei_scsi.h

@@ -50,6 +50,7 @@
 #include <sys/types.h>
 
 #include <sane/sane.h>
+#include <sane/config.h>
 
 /** Sense handler
  *