Update CREDIT.TXT

git-svn-id: https://llvm.org/svn/llvm-project/libcxxabi/trunk@167847 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/CREDITS.TXT b/CREDITS.TXT
index caa0a2d..231dfd3 100644
--- a/CREDITS.TXT
+++ b/CREDITS.TXT
@@ -28,3 +28,7 @@
 E: erik.olofsson@hansoft.se
 E: erik@olofsson.info
 D: Minor patches and fixes
+
+N: Nowar Gu
+E: wenhan.gu@gmail.com
+D: Minor patches and fixes