Fix erroneous splitting of "YYYY MMD" in Hungarian

tests/NodaTimeSplitterTest.php

@@ -878,6 +878,9 @@ final class NodaTimeSplitterTest extends TestCase {
         $output = NodaTimeSplitter::attempt_splitting("6552cf08b0196 test tag");
         self::assertEmpty($output);
 
+        $output = NodaTimeSplitter::attempt_splitting("1978. július7");
+        self::assertEmpty($output);
+
         $output = NodaTimeSplitter::attempt_splitting("Anfang September 1903");
         self::assertEmpty($output);