[gimp] Fix meson build error ../../gimp/app/widgets/gimplanguagestore-parser.c:339:33: error: #if with no e

[Jehan <jehanp src gnome org>]

commit 47a8560bae8ff2c9eb6fbc1e09a291b496d644a6
Author: lillolollo <4179-lillolollo users noreply gitlab gnome org>
Date:   Sun Sep 22 16:49:42 2019 +0000

    Fix meson build error ../../gimp/app/widgets/gimplanguagestore-parser.c:339:33: error: #if with no 
expression 339 | #if ENABLE_RELOCATABLE_RESOURCES

 app/widgets/gimplanguagestore-parser.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/app/widgets/gimplanguagestore-parser.c b/app/widgets/gimplanguagestore-parser.c
index d667a7a303..279fccf27e 100644
--- a/app/widgets/gimplanguagestore-parser.c
+++ b/app/widgets/gimplanguagestore-parser.c
@@ -336,7 +336,7 @@ parse_iso_codes (GHashTable  *base_lang_list,
 
   xml_parser = gimp_xml_parser_new (&markup_parser, &parser);
 
-#if ENABLE_RELOCATABLE_RESOURCES
+#ifdef ENABLE_RELOCATABLE_RESOURCES
   file = gimp_installation_directory_file ("share", "xml", "iso-codes",
                                            "iso_639.xml", NULL);
 #else