Potentially Suspicious files

I am using W3 Total Cache on my website http://www.resource-guru.com
My Link scanner shows this message

/wp-content/cache/minify/000000/fY5tDoIwDIYvxDrQhCN4AU9Q1wLTfei6IdxeNOgfgkl_tG-fJ22tk-o1inAWfV3qUTjN0Nk8WpKq3lk7nsRZ4rQhiMTHmAfPoezpBlMsp8R0ZqdaOECt7mhuTHuC9dizuIjEBN6GDWeK5OirRjPKrDoMZr7ESf-a79_rrBo4QgvvoxtnRZfQhv4v4mMRfg7M7oO9AA.js
Severity: Potentially Suspicious
Reason: Detected potentially suspicious content.
Details: Detected potentially suspicious initialization of function pointer to JavaScript method eval ` __tmpvar186121247 = eval; <code/></p>
<p>How to resolve`

http://wordpress.org/plugins/w3-total-cache/