fix-up testcase

Author: inbelic

llvm/test/Analysis/DXILMetadataAnalysis/strip-rootsignature.ll

@@ -1,4 +1,3 @@
-
 ; RUN: opt -S -passes="print<dxil-metadata>" -disable-output %s 2>&1 | FileCheck %s
 target triple = "dxil-pc-shadermodel6.0-compute"
 
@@ -20,6 +19,6 @@ entry:
 attributes #0 = { "hlsl.numthreads"="1,1,1" "hlsl.shader"="compute" }
 
 !dx.rootsignatures = !{!0, !2} ; list of function/root signature pairs
-!0 = !{i1 true} ; don't strip root signature
+!0 = !{i1 true} ; strip root signature
 !2 = !{ ptr @entry, !3, i32 2 } ; function, root signature, version
 !3 = !{} ; empty root signature