msxml3: Replace macro with another enum entry.

dlls/msxml3/element.c

@@ -644,6 +644,8 @@ static inline HRESULT variant_from_dt(XDR_DT dt, xmlChar* str, VARIANT* v)
             return E_OUTOFMEMORY;
         handled = TRUE;
         break;
+    default:
+        WARN("unknown type %d\n", dt);
     }
 
     if (!handled)

dlls/msxml3/msxml_private.h

@@ -124,9 +124,9 @@ typedef enum _XDR_DT {
     DT_UI4,
     DT_UI8,
     DT_URI,
-    DT_UUID
+    DT_UUID,
+    LAST_DT
 } XDR_DT;
-#define DT__N_TYPES  (DT_UUID+1)
 
 extern HRESULT get_typeinfo(tid_t tid, ITypeInfo **typeinfo) DECLSPEC_HIDDEN;
 extern void release_typelib(void) DECLSPEC_HIDDEN;

dlls/msxml3/schema.c

@@ -391,7 +391,7 @@ static DWORD dt_hash_bstr(OLECHAR const* bstr, int len /* calculated if -1 */)
     return hval;
 }
 
-static const xmlChar *const DT_string_table[DT__N_TYPES] =
+static const xmlChar *const DT_string_table[LAST_DT] =
 {
     DT_bin_base64,
     DT_bin_hex,
@@ -431,7 +431,7 @@ static const xmlChar *const DT_string_table[DT__N_TYPES] =
     DT_uuid
 };
 
-static const WCHAR *const DT_wstring_table[DT__N_TYPES] =
+static const WCHAR *const DT_wstring_table[LAST_DT] =
 {
     wDT_bin_base64,
     wDT_bin_hex,