fix combination of NeedsAddress flag

When dealing with multiple partial terms, only keep the
flag, when all partial terms are so frequent as to need
an address.

Fixes #2510.

lib-php/SearchDescription.php

@@ -257,7 +257,7 @@ class SearchDescription
         if (empty($this->aName)) {
             $this->bNameNeedsAddress = $bNeedsAddress;
         } else {
-            $this->bNameNeedsAddress |= $bNeedsAddress;
+            $this->bNameNeedsAddress &= $bNeedsAddress;
         }
         if ($bSearchable) {
             $this->aName[$iId] = $iId;