fix trivial typos, NFC

llvm-svn: 306789
diff --git a/clang/lib/Parse/ParseDeclCXX.cpp b/clang/lib/Parse/ParseDeclCXX.cpp
index a724fa2..b1a84e7 100644
--- a/clang/lib/Parse/ParseDeclCXX.cpp
+++ b/clang/lib/Parse/ParseDeclCXX.cpp
@@ -1915,7 +1915,7 @@
   }
 
   if (!TagOrTempResult.isInvalid())
-    // Delayed proccessing of attributes.
+    // Delayed processing of attributes.
     Actions.ProcessDeclAttributeDelayed(TagOrTempResult.get(), attrs.getList());
 
   const char *PrevSpec = nullptr;