sysutils/testdisk: fix build with NTFS option

A benign type mismatch in a function pointer only used when compiled
with the NTFS option was disagreeable to LLVM 16.  Patch things over
by correcting the signature.

Reported by:	Ale <discipline@tiscali.it>
PR:		272982
MFH:		2023Q3

sysutils/testdisk/files/patch-src_ntfs__io.c

@@ -0,0 +1,11 @@
+--- src/ntfs_io.c.orig	2023-08-08 15:12:08 UTC
++++ src/ntfs_io.c
+@@ -154,7 +154,7 @@ static int ntfs_device_testdisk_io_stat(struct ntfs_de
+ 	return -1;
+ }
+
+-static int ntfs_device_testdisk_io_ioctl(struct ntfs_device *dev, int request,
++static int ntfs_device_testdisk_io_ioctl(struct ntfs_device *dev, unsigned long request,
+ 		void *argp)
+ {
+ 	log_warning( "ntfs_device_testdisk_io_ioctl() unimplemented\n");