[NaCl SDK] nacl_io: big refactor to return error value (errno).

native_client_sdk/src/libraries/nacl_io_test/example.dsc

Index: native_client_sdk/src/libraries/nacl_io_test/example.dsc
diff --git a/native_client_sdk/src/libraries/nacl_io_test/example.dsc b/native_client_sdk/src/libraries/nacl_io_test/example.dsc
index a47ed6374423598891ef7e04c316ef9b863b8c95..282d6332606dc96db5b793de4261345bddb343a7 100644
--- a/native_client_sdk/src/libraries/nacl_io_test/example.dsc
+++ b/native_client_sdk/src/libraries/nacl_io_test/example.dsc
@@ -1,6 +1,6 @@
 {
-  # TODO(binji): pnacl doesn't build right now because gtest doesn't build yet.

[noelallen1, 2013/06/07 21:48:43]

Isn't this comment still valid?

[binji, 2013/06/07 23:23:11]

Whoops. No, pnacl works fine, I was uncommenting it because it was slow when I
was iterating. :)

-  'TOOLS': ['newlib', 'glibc', 'pnacl', 'win'],
+#  'TOOLS': ['newlib', 'glibc', 'pnacl', 'win'],
+  'TOOLS': ['newlib', 'glibc', 'win'],
 
   # Need to add ../../examples for common.js
   'SEARCH': ['.', '../../examples'],