btrfs-progs: Remove write-only var fdres in cmd_dev_stats()

fdres is initialized to -1, then later tested, but never
set.  Just remove it.

Signed-off-by: Eric Sandeen <sandeen@redhat.com>

diff --git a/cmds-device.c b/cmds-device.c
index 198ad68..58df6da 100644 (file)
--- a/cmds-device.c
+++ b/cmds-device.c
@@ -295,7 +295,6 @@ static int cmd_dev_stats(int argc, char **argv)
        int fdmnt;
        int i;
        char c;
-       int fdres = -1;
        int err = 0;
        __u64 flags = 0;
 
@@ -390,8 +389,6 @@ static int cmd_dev_stats(int argc, char **argv)
 out:
        free(di_args);
        close(fdmnt);
-       if (fdres > -1)
-               close(fdres);
 
        return err;
 }