Avoid one more unhelpful -Werror=stringop-truncation

...after cb95276e6e6bf12a1c06d5c252551e55c788fcb2 "use JsonWriter for the rest
of ITiledRenderable", similar to de32eb539bbcf291f9968ae12696e1317fdb855d "Avoid
unhelpful -Werror=stringop-truncation"

Change-Id: I8782a8a936a5ff0351b6e6d171a00cb8f4a1b2d0
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/96820
Tested-by: Jenkins
Reviewed-by: Stephan Bergmann <sbergman@redhat.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/tools/source/misc/json_writer.cxx b/tools/source/misc/json_writer.cxx
index 251c44c0246f..95c8b59e5d02 100644
--- a/tools/source/misc/json_writer.cxx
+++ b/tools/source/misc/json_writer.cxx
@@ -76,7 +76,7 @@ ScopedJsonWriterArray JsonWriter::startArray(const char* pNodeName)
     ++mPos;
     memcpy(mPos, pNodeName, len);
     mPos += len;
-    strncpy(mPos, "\": [ ", 5);
+    memcpy(mPos, "\": [ ", 5);
     mPos += 5;
     mStartNodeCount++;
     mbFirstFieldInNode = true;