Fixed spelling & grammar.

llvm-svn: 8559
diff --git a/llvm/lib/Support/FileUtilities.cpp b/llvm/lib/Support/FileUtilities.cpp
index 7c8142a..ca46036 100644
--- a/llvm/lib/Support/FileUtilities.cpp
+++ b/llvm/lib/Support/FileUtilities.cpp
@@ -85,7 +85,7 @@
     exit(1);
   }
 
-  // We don't need to hold the temp file descriptor... we will trust that noone
+  // We don't need to hold the temp file descriptor... we will trust that no one
   // will overwrite/delete the file while we are working on it...
   close(TempFD);
   std::string Result(FNBuffer);