Move the hash probe class definition into a header file.
[stockfish] / tests /
drwxr-xr-x   ..
-rwxr-xr-x 3112 instrumented.sh
-rwxr-xr-x 1083 perft.sh
-rwxr-xr-x 1277 reprosearch.sh
-rwxr-xr-x 766 signature.sh