ANDROID: fuse-bpf: Fix flock test compile error

Bug: 293161755
Test: fuse_test compiles
Signed-off-by: Paul Lawrence <paullawrence@google.com>
Change-Id: I249672bab85966e20a26018f65f135fe15c6eff5

tools/testing/selftests/filesystems/fuse/fuse_test.c

@@ -1345,7 +1345,6 @@ static int flock_test(const char *mount_dir)
 	int fuse_dev = -1;
 	int fd = -1, fd2 = -1;
 	int backing_fd = -1;
-	char *addr = NULL;
 
 	TEST(src_fd = open(ft_src, O_DIRECTORY | O_RDONLY | O_CLOEXEC),
 	     src_fd != -1);