pdo: Use true / false instead of 1 / 0 for bool parameters

Changes done with Coccinelle:

    @r1@
    identifier F;
    identifier p;
    typedef bool;
    parameter list [n1] PL1;
    parameter list [n2] PL2;
    @@

    F(PL1, bool p, PL2) {
    ...
    }

    @r2@
    identifier r1.F;
    expression list [r1.n1] EL1;
    expression list [r1.n2] EL2;
    @@

    F(EL1,
    (
    - 1
    + true
    |
    - 0
    + false
    )
    , EL2)

Author: TimWolla

ext/pdo/pdo_dbh.c

@@ -1594,7 +1594,7 @@ static void pdo_dbh_free_storage(zend_object *std)
 		dbh->methods->persistent_shutdown(dbh);
 	}
 	zend_object_std_dtor(std);
-	dbh_free(dbh, 0);
+	dbh_free(dbh, false);
 }
 
 zend_object *pdo_dbh_new(zend_class_entry *ce)
@@ -1618,7 +1618,7 @@ ZEND_RSRC_DTOR_FUNC(php_pdo_pdbh_dtor) /* {{{ */
 {
 	if (res->ptr) {
 		pdo_dbh_t *dbh = (pdo_dbh_t*)res->ptr;
-		dbh_free(dbh, 1);
+		dbh_free(dbh, true);
 		res->ptr = NULL;
 	}
 }