Fix typos found by http://github.com/lyda/misspell-check

llvm-svn: 157886
diff --git a/clang/lib/Rewrite/RewriteModernObjC.cpp b/clang/lib/Rewrite/RewriteModernObjC.cpp
index 7b52f65..ecbf307 100644
--- a/clang/lib/Rewrite/RewriteModernObjC.cpp
+++ b/clang/lib/Rewrite/RewriteModernObjC.cpp
@@ -361,7 +361,7 @@
     
     virtual void Initialize(ASTContext &context);
     
-    // Misc. AST transformation routines. Somtimes they end up calling
+    // Misc. AST transformation routines. Sometimes they end up calling
     // rewriting routines on the new ASTs.
     CallExpr *SynthesizeCallToFunctionDecl(FunctionDecl *FD,
                                            Expr **args, unsigned nargs,