mtr: fix innodb_bug53756 on aix

grooverdan · grooverdan · commit 2e3230a5fcc3 · 2021-07-06T15:29:00.000+10:00
--skip-stack-trace isn't there on AIX.
diff --git a/mysql-test/suite/innodb/t/innodb_bug53756-master.opt b/mysql-test/suite/innodb/t/innodb_bug53756-master.opt
@@ -1 +1 @@
---skip-stack-trace --skip-core-file
+--loose-skip-stack-trace --skip-core-file

Original file line number	Diff line number	Diff line change
`@@ -1 +1 @@`
`1`		`---skip-stack-trace --skip-core-file`
	`1`	`+--loose-skip-stack-trace --skip-core-file`