winex11.drv: Fix typo so that emf -> mfpict synthesis works.

dlls/user32/tests/clipboard.c

@@ -247,10 +247,9 @@ static void test_synthesized(void)
     ok(cf == CF_UNICODETEXT, "cf %08x\n", cf);
 
     cf = EnumClipboardFormats(cf);
-    todo_wine ok(cf == CF_METAFILEPICT, "cf %08x\n", cf);
-    if(cf == CF_METAFILEPICT)
-        cf = EnumClipboardFormats(cf);
+    ok(cf == CF_METAFILEPICT, "cf %08x\n", cf);
 
+    cf = EnumClipboardFormats(cf);
     ok(cf == 0, "cf %08x\n", cf);
 
     r = EmptyClipboard();

dlls/winex11.drv/clipboard.c

@@ -2746,7 +2746,7 @@ static BOOL X11DRV_CLIPBOARD_SynthesizeData(UINT wFormatID)
     }
     else if (wFormatID == CF_METAFILEPICT)
     {
-        bsyn = (lpSource = X11DRV_CLIPBOARD_LookupData(CF_METAFILEPICT)) &&
+        bsyn = (lpSource = X11DRV_CLIPBOARD_LookupData(CF_ENHMETAFILE)) &&
             ~lpSource->wFlags & CF_FLAG_SYNTHESIZED;
     }
     else if (wFormatID == CF_DIB)