HU, deal withcase of no housenumber, with test

Author: freyfogle

conf/countries/worldwide.yaml

@@ -1026,6 +1026,8 @@ HU:
         {{{postcode}}} {{#first}} {{{city}}} || {{{town}}} || {{{village}}} || {{{hamlet}}} {{/first}}
         {{{road}}} {{{house_number}}}.
         {{{country}}}
+    postformat_replace:
+        - ["\n.\n","\n"]
 
 # Indonesia
 # https://en.wikipedia.org/wiki/Address_%28geography%29#Indonesia

testcases/countries/hu.yaml

@@ -18,6 +18,19 @@ expected:  |
     1016 Budapest
     Dezső utca 11.
     Hungary
+---
+description: just postcode
+components:
+   country: Hungary
+   country_code: hu
+   county: Makói járás
+   municipality: Makói járás
+   postcode: 6900
+   region: South Great Plain
+   town: Makó
+expected:  |
+    6900 Makó
+    Hungary