tweak test to pass on windows


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@107040 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/exprs.c b/test/CodeGen/exprs.c
index f7b02bc..aa4aa51 100644
--- a/test/CodeGen/exprs.c
+++ b/test/CodeGen/exprs.c
@@ -141,6 +141,6 @@
 // Make sure negate of fp uses -0.0 for proper -0 handling.
 double f13(double X) {
   // CHECK: define double @f13
-  // CHECK: fsub double -0.000000e+00, %tmp
+  // CHECK: fsub double -0.0
   return -X;
 }