even our realloc() was buggy.
even our realloc() was buggy.

but now "metis_matrix_m -p 4 -m 4 -l 4" runs to completion,
although i'm not sure how meaningful that is, and we're still
missing qsort, sched_setaffinity, and pthread_join.

aclements/sv6,bowlofstew/sv6,bowlofstew/sv6,aclements/sv6,aclements/sv6,aclements/sv6,bowlofstew/sv6,bowlofstew/sv6,bowlofstew/sv6,aclements/sv6