Fix a stringop-truncation GCC warning

```
minetest/src/filesys.cpp:312:10: warning: ‘char* strncpy(char*, const char*, size_t)’ specified bound 10000 equals destination size [-Wstringop-truncation]
   strncpy(argv_data[2], path.c_str(), 10000);
```

diff --git a/src/filesys.cpp b/src/filesys.cpp
index dc34b6b560798baaf795146d1a5ab261c3760099..f61b39b9465b191badf70befdb27da41e27b13f5 100644 (file)
--- a/src/filesys.cpp
+++ b/src/filesys.cpp
@@ -309,7 +309,7 @@ bool RecursiveDelete(const std::string &path)
                strcpy(argv_data[0], "/bin/rm");
 #endif
                strcpy(argv_data[1], "-rf");
-               strncpy(argv_data[2], path.c_str(), 10000);
+               strncpy(argv_data[2], path.c_str(), sizeof(argv_data[2]) - 1);
                char *argv[4];
                argv[0] = argv_data[0];
                argv[1] = argv_data[1];