mscoree: Fix a zero-sized array

[Andrew Talbot]

Changelog:
    mscoree: Fix a zero-sized array.

diff --git a/dlls/mscoree/corruntimehost.c b/dlls/mscoree/corruntimehost.c
index 146dd23..609b73e 100644
--- a/dlls/mscoree/corruntimehost.c
+++ b/dlls/mscoree/corruntimehost.c
@@ -149,7 +149,7 @@ static void RuntimeHost_DeleteDomain(RuntimeHost *This, MonoDomain *domain)
 static HRESULT RuntimeHost_GetIUnknownForDomain(RuntimeHost *This, MonoDomain *domain, IUnknown **punk)
 {
     HRESULT hr;
-    void *args[0];
+    void *args[1];
     MonoAssembly *assembly;
     MonoImage *image;
     MonoClass *klass;