urlmon/tests: Constify some character strings

[Frédéric Delanoy]

---
 dlls/urlmon/tests/protocol.c | 2 +-
 dlls/urlmon/tests/url.c      | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/dlls/urlmon/tests/protocol.c b/dlls/urlmon/tests/protocol.c
index 7ba375b..25f78d0 100644
--- a/dlls/urlmon/tests/protocol.c
+++ b/dlls/urlmon/tests/protocol.c
@@ -1819,7 +1819,7 @@ static HRESULT WINAPI ProtocolEmul_Continue(IInternetProtocolEx *iface,
     case 1: {
         IServiceProvider *service_provider;
         IHttpNegotiate *http_negotiate;
-        static WCHAR header[] = {'?',0};
+        static const WCHAR header[] = {'?',0};
 
         hres = IInternetProtocolSink_QueryInterface(binding_sink, &IID_IServiceProvider,
                                                     (void**)&service_provider);
diff --git a/dlls/urlmon/tests/url.c b/dlls/urlmon/tests/url.c
index 8fae051..83c5c8d 100644
--- a/dlls/urlmon/tests/url.c
+++ b/dlls/urlmon/tests/url.c
@@ -967,7 +967,7 @@ static HRESULT WINAPI Protocol_Continue(IInternetProtocol *iface,
     case 1: {
         IServiceProvider *service_provider;
         IHttpNegotiate *http_negotiate;
-        static WCHAR header[] = {'?',0};
+        static const WCHAR header[] = {'?',0};
 
         hres = IInternetProtocolSink_QueryInterface(protocol_sink, &IID_IServiceProvider,
                                                     (void**)&service_provider);
-- 
1.8.5.2