Fixed Typo in Format String for mmap Filename.
Fixed Typo in Format String for mmap Filename.

This part is ontested since we use huge pages on Tilera anyway.
Will be relevant for mmap on x86.

smarr/OmniVM,smarr/OmniVM,smarr/OmniVM,smarr/OmniVM,smarr/OmniVM,smarr/OmniVM,smarr/OmniVM,smarr/OmniVM