CURIOSITY on mmap failure reason

Running a proprietary app hits this assert:

<CURIOSITY : !fail || result == -9 || result == -13 || result == -22 || result == -26 || result == -11 || result == -12 || result == -19 || result == -14 || result == -1 in file core/drlibc/drlibc_unix.c line 121

Investigating shows that the mmap error code is -17 == EEXIST. This was not a possible error on old kernels which is likely why it's not on that list.