mem-cache: Avoid hiding a virtual method in the dictionary compressor.

The non-virtual version is later used in overrides of the virtual
version whcih takes more arguments.

Change-Id: I102d1185c7a616337c2a0429daa998706189292f
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/23127
Reviewed-by: Daniel Carvalho <odanrc@yahoo.com.br>
Maintainer: Gabe Black <gabeblack@google.com>
Tested-by: kokoro <noreply+kokoro@google.com>
1 file changed