Update wording.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@68347 91177308-0d34-0410-b5e6-96231b3b80d8

test/Lexer/fixit-errors.c

@@ -1,10 +1,10 @@
 // RUN: clang-cc -fsyntax-only -pedantic -fixit %s -o - | clang-cc -pedantic -Werror -x c -
 
 /* This is a test of the various code modification hints that are
-   provided as part of warning or extension diagnostics. Eventually,
-   we would like to actually try to perform the suggested
-   modifications and compile the result to test that no warnings
-   remain. */
+   provided as part of warning or extension diagnostics. All of the
+   warnings will be fixed by -fixit, and the resulting file should
+   compile cleanly with -Werror -pedantic. */
+
 // FIXME: If you put a space at the end of the line, it doesn't work yet!
 char *s = "hi\
 there";