ptest-runner: Fix incorrect allocation

argv needs to hold 2 char pointers, not 2 chars.
Found by enabling toolchain security options.

Signed-off-by: Bernhard Rosenkränzer <bernhard.rosenkraenzer.ext@huawei.com>

meta-ohos-core/recipes-support/ptest-runner/ptest-runner/ptest-runner-fix-incorrect-allocation.patch

+From bernhard.rosenkraenzer.ext@huawei.com Thu Sep  2 10:54:01 2021
+From: Bernhard Rosenkraenzer <bernhard.rosenkraenzer.ext@huawei.com>
+Date: Thu,  2 Sep 2021 10:54:01 +0100
+Subject: [PATCH] Fix bogus allocation
+
+argv needs to hold 2 character pointers, not just 2 characters.
+
+Signed-off-by: Bernhard Rosenkraenzer <bernhard.rosenkraenzer.ext@huawei.com>
+Upstream-Status: Inappropriate [fixed differently upstream]
+
+diff -up git/utils.c.omv~ git/utils.c
+--- git/utils.c.omv~	2021-09-02 10:18:46.061467114 +0200
++++ git/utils.c	2021-09-02 10:21:13.011651255 +0200
+@@ -268,7 +268,7 @@ close_fds(void)
+ static inline void
+ run_child(char *run_ptest, int fd_stdout, int fd_stderr)
+ {
+-	char **argv = malloc(sizeof(char) * 2);
++	char **argv = malloc(sizeof(char*) * 2);
+ 	chdir(dirname(strdup(run_ptest)));
+ 
+ 	argv[0] = run_ptest;

meta-ohos-core/recipes-support/ptest-runner/ptest-runner/ptest-runner-fix-incorrect-allocation.patch.license

+# SPDX-FileCopyrightText: Huawei Inc.
+# SPDX-License-Identifier: Apache-2.0

meta-ohos-core/recipes-support/ptest-runner/ptest-runner_2.4.0.bbappend

+# SPDX-FileCopyrightText: Huawei Inc.
+# SPDX-License-Identifier: Apache-2.0
+
+FILESEXTRAPATHS_prepend := "${THISDIR}/${PN}:"
+SRC_URI_append = " file://ptest-runner-fix-incorrect-allocation.patch"