Update FixIt tests to make it more obvious they use a separate mode.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@88758 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/FixIt/fixit-errors.c b/test/FixIt/fixit-errors.c
index 996e940..030f505 100644
--- a/test/FixIt/fixit-errors.c
+++ b/test/FixIt/fixit-errors.c
@@ -1,4 +1,4 @@
-// RUN: clang-cc -fsyntax-only -pedantic -fixit %s -o - | clang-cc -pedantic -Werror -x c -
+// RUN: clang-cc -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. All of the