gfio: add *.ini as fio job file filter

Lots of people seem to name their job files that, so
lets add the filter.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
diff --git a/gfio.c b/gfio.c
index b383f71..a52d84d 100644
--- a/gfio.c
+++ b/gfio.c
@@ -1501,6 +1501,7 @@
 	filter = gtk_file_filter_new();
 	gtk_file_filter_add_pattern(filter, "*.fio");
 	gtk_file_filter_add_pattern(filter, "*.job");
+	gtk_file_filter_add_pattern(filter, "*.ini");
 	gtk_file_filter_add_mime_type(filter, "text/fio");
 	gtk_file_filter_set_name(filter, "Fio job file");
 	gtk_file_chooser_set_filter(GTK_FILE_CHOOSER(dialog), filter);