[libcxx] r296346 - Fix typo in error message. NFC.

[Asiri Rathnayake via cfe-commits]

Author: asiri
Date: Mon Feb 27 09:49:51 2017
New Revision: 296346

URL: http://llvm.org/viewvc/llvm-project?rev=296346&view=rev
Log:
Fix typo in error message. NFC.

Modified:
    libcxx/trunk/include/__config

Modified: libcxx/trunk/include/__config
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/include/__config?rev=296346&r1=296345&r2=296346&view=diff
==============================================================================
--- libcxx/trunk/include/__config (original)
+++ libcxx/trunk/include/__config Mon Feb 27 09:49:51 2017
@@ -961,7 +961,7 @@ _LIBCPP_FUNC_VIS extern "C" void __sanit
 #endif
 
 #if defined(_LIBCPP_HAS_NO_THREADS) && defined(_LIBCPP_HAS_THREAD_API_EXTERNAL)
-#  error _LIBCPP_HAS_EXTERNAL_THREAD_API may not be defined when \
+#  error _LIBCPP_HAS_THREAD_API_EXTERNAL may not be defined when \
          _LIBCPP_HAS_NO_THREADS is defined.
 #endif