ext4: make variable "count" signed
This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v4.14.285 by commit d1d3f02c0ce66656ca7660a69e39431e5e5dafb6, it was introduced in version v4.14.283 by commit d27d3caddbeff10871982d5e25e6557be0fdc29a. For more details please see the references link.