[test] Remove an unwanted match for `UNSUPPORTED:`.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@292568 91177308-0d34-0410-b5e6-96231b3b80d8

test/Driver/embed-bitcode.c

@@ -51,5 +51,5 @@
 // CHECK-NO-LINKER-NOT: -bitcode_bundle
 
 // RUN: %clang -target armv7-apple-darwin -miphoneos-version-min=5.0 %s -fembed-bitcode -### 2>&1 | \
-// RUN:   FileCheck %s -check-prefix=CHECK-PLATFORM-UNSUPPORTED
-// CHECK-PLATFORM-UNSUPPORTED: -fembed-bitcode is not supported on versions of iOS prior to 6.0
+// RUN:   FileCheck %s -check-prefix=CHECK-PLATFORM-NOTSUPPORTED
+// CHECK-PLATFORM-NOTSUPPORTED: -fembed-bitcode is not supported on versions of iOS prior to 6.0