Merge pull request #2041 from profanity-im/some-improvements

Summary:
- Print the final storage location when successfully decrypting a file with `aesgcm://` source.
- Less GString
- Re-factor cmd_presence()
- Improve const correctness
- Use correct free function. Fixes: 75d7663 ("Free wins summary list")

Pull Request Source: https://github.com/profanity-im/profanity/pull/2041

Author: Steffen Jaeckel <s@jaeckel.eu>

src/tools/aesgcm_download.c

@@ -140,6 +140,9 @@ aesgcm_file_get(void* userdata)
                                    "Downloading '%s' failed: Failed to decrypt "
                                    "file (%s).",
                                    https_url, gcry_strerror(crypt_res));
+    } else {
+        http_print_transfer_update(aesgcm_dl->window, aesgcm_dl->id,
+                                   "Decrypted file saved to '%s'", aesgcm_dl->filename);
     }
 
     if (aesgcm_dl->cmd_template != NULL) {