libpcre2: Don't use -Werror=array-bounds

pcre2test uses negative array indices which seem to confuse the array bounds
checker. The warnings look harmless.

Disable -Werror=array-bounds for libpcre2 to allow building with a global
-Werror=array-bounds.

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

meta-ohos-core/recipes-support/libpcre/libpcre2_%.bbappend

+# SPDX-FileCopyrightText: Huawei Inc.
+# SPDX-License-Identifier: Apache-2.0
+
+# -Werror=array-bounds gets confused over negative array indices in
+# pcre2test.
+# The warnings have been verifited to be harmless in 10.34; for extra
+# security, this should be re-checked after updating.
+#
+# Removing -Werror=array-bounds here allows us to use -Werror=array-bounds
+# globally in OPTIMIZE_FOR=security mode.
+
+TARGET_CFLAGS_remove = "-Werror=array-bounds"