ANSIfication step 2: make sure all needed prototypes are available, and all needed
header files included.
diff --git a/Mac/Compat/getbootvol.c b/Mac/Compat/getbootvol.c
index 8f5d28c..df450c6 100644
--- a/Mac/Compat/getbootvol.c
+++ b/Mac/Compat/getbootvol.c
@@ -5,7 +5,7 @@
 #include "macdefs.h"
 
 char *
-getbootvol()
+getbootvol(void)
 {
 	short vrefnum;
 	static unsigned char name[32];