Declare crc32 static. There's a copy in libz that conflicts for the

crunched binary.

Found by: make release

lib/libdisk/write_ia64_disk.c

@@ -98,7 +98,7 @@ static uint32_t crc32_tab[] = {
 	0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d
 };
 
-uint32_t
+static uint32_t
 crc32(const void *buf, size_t size)
 {
 	const uint8_t *p;