[gimp-help] Fix failure to create installer for Hungarian

[Jacob Boerema <jboerema src gnome org>]

commit fab85dc52f9fc943cb37e3631684db5380dd96c6
Author: Jacob Boerema <jgboerema gmail com>
Date:   Sun Jun 12 21:11:18 2022 -0400

    Fix failure to create installer for Hungarian
    
    Hungarian installer strings are unofficial, so need special handling.

 build/windows/installer/gimp-help.iss                | 2 +-
 build/windows/installer/installer-gimp-help-msys2.sh | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)
---
diff --git a/build/windows/installer/gimp-help.iss b/build/windows/installer/gimp-help.iss
index c235fcd3b..368e69b3b 100644
--- a/build/windows/installer/gimp-help.iss
+++ b/build/windows/installer/gimp-help.iss
@@ -70,7 +70,7 @@
 #elif LANG=='hr'
        #define LANGFILE='Languages\Unofficial\Croatian.isl'
 #elif LANG=='hu'
-       #define LANGFILE='Languages\Hungarian.isl'
+       #define LANGFILE='Languages\Unofficial\Hungarian.isl'
 #elif LANG=='it'
        #define LANGFILE='Languages\Italian.isl'
 #elif LANG=='ja'
diff --git a/build/windows/installer/installer-gimp-help-msys2.sh 
b/build/windows/installer/installer-gimp-help-msys2.sh
index 887a3a5dd..17b8ea5c6 100644
--- a/build/windows/installer/installer-gimp-help-msys2.sh
+++ b/build/windows/installer/installer-gimp-help-msys2.sh
@@ -36,6 +36,7 @@ download_lang ChineseSimplified.isl
 download_lang Croatian.isl
 download_lang EnglishBritish.isl
 download_lang Greek.isl
+download_lang Hungarian.isl
 download_lang Korean.isl
 download_lang Lithuanian.isl
 download_lang NorwegianNynorsk.isl