Correct typo.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@190257 91177308-0d34-0410-b5e6-96231b3b80d8

lib/AST/ExprCXX.cpp

@@ -86,8 +86,8 @@ UuidAttr *CXXUuidofExpr::GetUuidAttrOfType(QualType QT,
 
       // If the template argument has a UUID, there are three cases:
       //  - This is the first UUID seen for this RecordDecl.
-      //  - This is a different UUID than previously seed for this RecordDecl.
-      //  - This is the same UUID than previously seed for this RecordDecl.
+      //  - This is a different UUID than previously seen for this RecordDecl.
+      //  - This is the same UUID than previously seen for this RecordDecl.
       if (UuidForTA) {
         if (!UuidForRD)
           UuidForRD = UuidForTA;