the nullptr update

src/utils.c

@@ -90,7 +90,7 @@ inline size_t read_file(const char *dir, const char *file, char *buffer, const s
 	strcpy(nt, file);	      // copy to the null terminator of prev copy, append basically
 	const int fd = open(path, O_RDONLY | O_CLOEXEC);
 	if (fd < 0) {
-		if (buffer != NULL) // if its null means we're just checking if it exists at all, so dont log it
+		if (buffer != nullptr) // if its null means we're just checking if it exists at all, so dont log it
 			applog(LOG_ERR, "Error reading %s", path);
 		return 0;
 	}