[NaCl SDK] A bunch of spelling fixes.

native_client_sdk/src/libraries/gtest_ppapi/thread_condition.h

Index: native_client_sdk/src/libraries/gtest_ppapi/thread_condition.h
diff --git a/native_client_sdk/src/libraries/gtest_ppapi/thread_condition.h b/native_client_sdk/src/libraries/gtest_ppapi/thread_condition.h
index 5da015206aac7ac4c3909a015b0c23817dbc59cc..d7af353349bc2e1efe06453a982a46ba8304c84c 100644
--- a/native_client_sdk/src/libraries/gtest_ppapi/thread_condition.h
+++ b/native_client_sdk/src/libraries/gtest_ppapi/thread_condition.h
@@ -41,7 +41,7 @@ class ThreadCondition {
   }
 
   // Wait for a Signal().  Note that this can spuriously return, so you should
-  // have a guard bool to see if the condtion is really true.  E.g., in the
+  // have a guard bool to see if the condition is really true.  E.g., in the
   // calling thread:
   //   cond_lock->Lock();
   //   cond_true = true;