Merge change 2470 into donut

* changes:
  Fix getservent() so that it returns s_port in network byte order. Also add a new document detailing known issues in the C library.
tree: 1b726243e78842727d932bd197010441589232fc
  1. libc/
  2. libdl/
  3. libm/
  4. libstdc++/
  5. libthread_db/
  6. linker/
  7. .gitignore
  8. Android.mk