dwrite: Fix compilation failure regarding nameless unions.

dlls/dwrite/opentype.c

@@ -19,6 +19,7 @@
  */
 
 #define COBJMACROS
+#define NONAMELESSUNION
 
 #include "dwrite_private.h"
 #include "winternl.h"
@@ -1900,10 +1901,10 @@ HRESULT opentype_get_cpal_entries(const void *cpal, UINT32 palette, UINT32 first
     first_entry_index += GET_BE_WORD(header->colorRecordIndices[palette]);
 
     for (i = 0; i < entry_count; i++) {
-        entries[i].r = records[first_entry_index + i].red   / 255.0f;
-        entries[i].g = records[first_entry_index + i].green / 255.0f;
-        entries[i].b = records[first_entry_index + i].blue  / 255.0f;
-        entries[i].a = records[first_entry_index + i].alpha / 255.0f;
+        entries[i].u1.r = records[first_entry_index + i].red   / 255.0f;
+        entries[i].u2.g = records[first_entry_index + i].green / 255.0f;
+        entries[i].u3.b = records[first_entry_index + i].blue  / 255.0f;
+        entries[i].u4.a = records[first_entry_index + i].alpha / 255.0f;
     }
 
     return S_OK;