intel/tools: fix potential memory leaks

CID: 1444041
CID: 1444104

Signed-off-by: Marcin Ślusarz <marcin.slusarz@intel.com>
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11574>

src/intel/tools/intel_dump_gpu.c

@@ -459,6 +459,9 @@ maybe_init(int fd)
          fail_if(device == -1, "Unknown platform '%s'\n", value);
          device_override = true;
       } else if (!strcmp(key, "file")) {
+         free(output_filename);
+         if (output_file)
+            fclose(output_file);
          output_filename = strdup(value);
          output_file = fopen(output_filename, "w+");
          fail_if(output_file == NULL,