examples/screencopy-dmabuf: call strncpy with maxlen - 1
The original code wasn't wrong since we were manually writing a null
byte anyway, but this makes GCC happy.
Closes:
@@ -87,7 +87,7 @@ static bool find_render_node(char *node, size_t maxlen) {
continue;
}
- strncpy(node, dev->nodes[DRM_NODE_RENDER], maxlen);
+ strncpy(node, dev->nodes[DRM_NODE_RENDER], maxlen - 1);
node[maxlen - 1] = '\0';
r = true;
break;
