deploy-stub: Fix compilation error

pandatool/src/deploy-stub/deploy-stub.c

@@ -787,12 +787,12 @@ int main(int argc, char *argv[]) {
   }
 
   if (log_filename != NULL) {
-    char log_filename_buf[PATH_MAX];
+    char log_filename_buf[4096];
     if (blobinfo.flags & F_log_filename_strftime) {
       log_filename_buf[0] = 0;
       time_t now = time(NULL);
       if (strftime(log_filename_buf, sizeof(log_filename_buf), log_filename, localtime(&now)) > 0) {
-        log_filename = &log_filename_buf;
+        log_filename = log_filename_buf;
       }
     }
     setup_logging(log_filename, (blobinfo.flags & F_log_append) != 0);