Add self to credits

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@216154 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/CREDITS.TXT b/CREDITS.TXT
index 368b526..7a28ada 100644
--- a/CREDITS.TXT
+++ b/CREDITS.TXT
@@ -33,6 +33,10 @@
 E: marshall@idio.com
 D: C++14 support, patches and bug fixes.
 
+N: Eric Fiselier
+E: eric@efcs.ca
+D: LFTS support, patches and bug fixes.
+
 N: Bill Fisher
 E: william.w.fisher@gmail.com
 D: Regex bug fixes.