missing_loop.h: fix LOOP_SET_STATUS_SETTABLE_FLAGS

See https://github.com/torvalds/linux/blob/v6.10-rc1/include/uapi/linux/loop.h

Fixes a bug in b3fe33f.

(cherry picked from commit eb6d3a5)
(cherry picked from commit b097677)
(cherry picked from commit f224a9d)
(cherry picked from commit dad62c7)

Author: yuwata

src/basic/missing_loop.h

@@ -20,5 +20,5 @@ struct loop_config {
 #endif
 
 #ifndef LOOP_SET_STATUS_SETTABLE_FLAGS
-#define LOOP_SET_STATUS_SETTABLE_FLAGS (LO_FLAGS_AUTOCLEAR | LO_FLAGS_PARTSCAN | LO_FLAGS_DIRECT_IO)
+#define LOOP_SET_STATUS_SETTABLE_FLAGS (LO_FLAGS_AUTOCLEAR | LO_FLAGS_PARTSCAN)
 #endif