Fix a comment typo.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@119298 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaType.cpp b/lib/Sema/SemaType.cpp
index cb99a9f..b244ae1 100644
--- a/lib/Sema/SemaType.cpp
+++ b/lib/Sema/SemaType.cpp
@@ -2002,7 +2002,7 @@
 /// this routine will return a new vector type.
 static void HandleVectorSizeAttr(QualType& CurType, const AttributeList &Attr,
                                  Sema &S) {
-  // Check the attribute arugments.
+  // Check the attribute arguments.
   if (Attr.getNumArgs() != 1) {
     S.Diag(Attr.getLoc(), diag::err_attribute_wrong_number_arguments) << 1;
     Attr.setInvalid();