series_dao_queries.properties: fix indentation.

Should be in 95eceec commit.

No functional changes.

[ci skip]

Author: php-coder

src/main/resources/sql/series_dao_queries.properties

@@ -25,7 +25,7 @@ LEFT JOIN countries count \
 
 series.count_all_stamps = \
 SELECT COALESCE(SUM(s.quantity), 0) \
-FROM series s
+  FROM series s
 
 series.count_series_of_collection = \
 SELECT COUNT(*) AS counter \