use the new MemoryBuffer interfaces to simplify error reporting in clients.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36900 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/llvm-extract/llvm-extract.cpp b/tools/llvm-extract/llvm-extract.cpp
index 97c45f6..4410638 100644
--- a/tools/llvm-extract/llvm-extract.cpp
+++ b/tools/llvm-extract/llvm-extract.cpp
@@ -57,8 +57,7 @@
 
   std::auto_ptr<Module> M;
   
-  MemoryBuffer *Buffer = MemoryBuffer::getFileOrSTDIN(&InputFilename[0],
-                                                      InputFilename.size());
+  MemoryBuffer *Buffer = MemoryBuffer::getFileOrSTDIN(InputFilename);
   if (Buffer == 0) {
     cerr << "Error reading file '" + InputFilename + "'";
     return 1;