[NaCl SDK] A bunch of spelling fixes.

native_client_sdk/src/libraries/nacl_io/kernel_object.cc

Index: native_client_sdk/src/libraries/nacl_io/kernel_object.cc
diff --git a/native_client_sdk/src/libraries/nacl_io/kernel_object.cc b/native_client_sdk/src/libraries/nacl_io/kernel_object.cc
index 95223f6974f27cfac44c80a29165bf9e824cfdce..75e84c935531268d3e06babf07aa012366f7ff85 100644
--- a/native_client_sdk/src/libraries/nacl_io/kernel_object.cc
+++ b/native_client_sdk/src/libraries/nacl_io/kernel_object.cc
@@ -115,7 +115,7 @@ void KernelObject::ReleaseHandle(KernelHandle* handle) {
 }
 
 // Helper function to properly sort FD order in the heap, forcing
-// lower numberd FD to be available first.
+// lower numbered FD to be available first.
 static bool FdOrder(int i, int j) {
   return i > j;
 }
@@ -148,7 +148,7 @@ void KernelObject::FreeAndReassignFD(int fd, KernelHandle* handle) {
   } else {
     AutoLock lock(&process_lock_);
 
-    // Acquire the new handle first incase they are the same.
+    // Acquire the new handle first in case they are the same.
     if (handle) {
       handle->Acquire();
       handle->mount_->Acquire();