Fixed compilation with -DNGX_DEBUG_MALLOC on FreeBSD 10.

After jemalloc 3.0.0 import there is no _malloc_options symbol, it has
been replaced with the malloc_conf one with a different syntax.
1 file changed
tree: db9ce9882a6d5f4e85f02d775bbe7647d35a03d5
  1. auto/
  2. conf/
  3. contrib/
  4. docs/
  5. misc/
  6. src/
  7. .hgtags