rpcrt4: Fix some A/W use in error messages.

dlls/rpcrt4/rpc_binding.c

@@ -1542,7 +1542,7 @@ RpcBindingSetAuthInfoExW( RPC_BINDING_HANDLE Binding, RPC_WSTR ServerPrincName,
   r = EnumerateSecurityPackagesW(&package_count, &packages);
   if (r != SEC_E_OK)
   {
-    ERR("EnumerateSecurityPackagesA failed with error 0x%08x\n", r);
+    ERR("EnumerateSecurityPackagesW failed with error 0x%08x\n", r);
     return RPC_S_SEC_PKG_ERROR;
   }
 
@@ -1587,7 +1587,7 @@ RpcBindingSetAuthInfoExW( RPC_BINDING_HANDLE Binding, RPC_WSTR ServerPrincName,
   }
   else
   {
-    ERR("AcquireCredentialsHandleA failed with error 0x%08x\n", r);
+    ERR("AcquireCredentialsHandleW failed with error 0x%08x\n", r);
     return RPC_S_SEC_PKG_ERROR;
   }
 }