[llvm-config] Fix cflags test looking for "warning"

This will fail if you configure with e.g. -Wno-unknown-warning-option.
Change it to check for 'warning:' just like we did for 'error:' in
r289484.

llvm-svn: 304239

diff --git a/llvm/test/tools/llvm-config/cflags.test b/llvm/test/tools/llvm-config/cflags.test
index ef3e486..461de86 100644 (file)
--- a/llvm/test/tools/llvm-config/cflags.test
+++ b/llvm/test/tools/llvm-config/cflags.test
@@ -4,4 +4,4 @@ RUN: llvm-config --cxxflags 2>&1 | FileCheck %s
 CHECK: -I
 CHECK: {{[/\\]}}include
 CHECK-NOT: error:
-CHECK-NOT: warning
+CHECK-NOT: warning: