Whitespace fix - replace tab with spaces in CREATE TABLE command.

Author: jconway

src/test/regress/expected/rowsecurity.out

@@ -2122,7 +2122,7 @@ EXPLAIN (COSTS OFF) SELECT * FROM y2 WHERE f_leak('abc');
 (2 rows)
 
 CREATE TABLE test_qual_pushdown (
-	abc		text
+    abc text
 );
 INSERT INTO test_qual_pushdown VALUES ('abc'),('def');
 SELECT * FROM y2 JOIN test_qual_pushdown ON (b = abc) WHERE f_leak(abc);

src/test/regress/sql/rowsecurity.sql

@@ -802,7 +802,7 @@ SELECT * FROM y2 WHERE f_leak('abc');
 EXPLAIN (COSTS OFF) SELECT * FROM y2 WHERE f_leak('abc');
 
 CREATE TABLE test_qual_pushdown (
-	abc		text
+    abc text
 );
 
 INSERT INTO test_qual_pushdown VALUES ('abc'),('def');