Calculate the size of vki_elf_gregset_t via operator sizeof on MIPS platforms.

The value VKI_ELF_NGREG is now defined with the the help of operator sizeof.
Incorrect size triggered an assertion in the file coredump-elf.c.
The issue was reported as coredump problem at:
https://bugs.kde.org/show_bug.cgi?id=270777


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@12677 a5019735-40e9-0310-863c-91ae7b9d1cf9
1 file changed