Patch from Dmitry V. Levin to fix a fd leak
diff --git a/libbb/loop.c b/libbb/loop.c
index 29128ab..aae083b 100644
--- a/libbb/loop.c
+++ b/libbb/loop.c
@@ -37,6 +37,7 @@
 		return (FALSE);
 	}
 	if (ioctl(fd, LOOP_CLR_FD, 0) < 0) {
+		close(fd);
 		bb_perror_msg("ioctl: LOOP_CLR_FD");
 		return (FALSE);
 	}