[gimp-help] gitignore: add `test-driver` created by autogen.sh.

[Jehan <jehanp src gnome org>]

commit 02ebbd5ec03305b9d9020d32395ae7d2d7341dee
Author: Jehan <jehan girinstud io>
Date:   Mon Mar 21 13:46:54 2022 +0100

    gitignore: add `test-driver` created by autogen.sh.
    
    (cherry picked from commit 64839b9b5b1e0d21ef19aecb08d69b1684c0b32f)

 .gitignore | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/.gitignore b/.gitignore
index 13334b267..87c95053e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -19,6 +19,7 @@ xml
 log
 html
 pdf
+/test-driver
 *.tar.gz
 *.tar.bz2
 *.zip