Bugfix: Create preview picture URLs correctly if filename contains multiple dots (".")

SQL statement cut off everything after the first dot but should only
cut off after the last dot in the filename.

Author: dirkhillbrecht

include/functions_map.php

@@ -196,9 +196,8 @@ function osm_get_items($page)
 
     $query="SELECT i.latitude, i.longitude,
     IFNULL(i.name, '') AS `name`,
-    IF(i.representative_ext IS NULL,
-        CONCAT(SUBSTRING_INDEX(TRIM(LEADING '.' FROM i.path), '.', 1 ), '-sq.', SUBSTRING_INDEX(TRIM(LEADING '.' FROM i.path), '.', -1 )),
-        TRIM(LEADING '.' FROM
+    TRIM(LEADING '.' FROM IF(i.representative_ext IS NULL,
+        CONCAT(LEFT(i.path,LENGTH(i.path)-1-LENGTH(SUBSTRING_INDEX(i.path, '.', -1 ))), '-sq.', SUBSTRING_INDEX(i.path, '.', -1 )),
             REPLACE(i.path, TRIM(TRAILING '.' FROM SUBSTRING_INDEX(i.path, '/', -1 )),
                 CONCAT('pwg_representative/',
                     CONCAT(
@@ -207,8 +206,7 @@ function osm_get_items($page)
                     )
                 )
             )
-        )
-    ) AS `pathurl`,
+    )) AS `pathurl`,
     TRIM(TRAILING '/' FROM CONCAT( i.id, '/category/', IFNULL(ic.category_id, '') ) ) AS `imgurl`,
     IFNULL(i.comment, '') AS `comment`,
     IFNULL(i.author, '') AS `author`,