Unkown -> Unknown

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@122708 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaDeclAttr.cpp b/lib/Sema/SemaDeclAttr.cpp
index 6977a33..22b373d 100644
--- a/lib/Sema/SemaDeclAttr.cpp
+++ b/lib/Sema/SemaDeclAttr.cpp
@@ -2904,7 +2904,7 @@
 
 void Sema::EmitDeprecationWarning(NamedDecl *D, llvm::StringRef Message,
                                   SourceLocation Loc,
-                                  bool UnkownObjCClass) {
+                                  bool UnknownObjCClass) {
   // Delay if we're currently parsing a declaration.
   if (ParsingDeclDepth) {
     DelayedDiagnostics.push_back(DelayedDiagnostic::makeDeprecation(Loc, D, 
@@ -2919,7 +2919,7 @@
     Diag(Loc, diag::warn_deprecated_message) << D->getDeclName() 
                                              << Message;
   else {
-    if (!UnkownObjCClass)
+    if (!UnknownObjCClass)
       Diag(Loc, diag::warn_deprecated) << D->getDeclName();
     else
       Diag(Loc, diag::warn_deprecated_fwdclass_message) << D->getDeclName();