[gegl] filmic: fix syntax typo

[Øyvind "pippin" Kolås <ok src gnome org>]

commit 356fdc9420e5dabb2c3f3fa0308305b6db45a529
Author: Øyvind Kolås <pippin gimp org>
Date:   Tue Jul 17 18:02:27 2018 +0200

    filmic: fix syntax typo

 operations/workshop/filmic.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/operations/workshop/filmic.c b/operations/workshop/filmic.c
index 402857661..04c30d8bf 100644
--- a/operations/workshop/filmic.c
+++ b/operations/workshop/filmic.c
@@ -84,7 +84,7 @@ gegl_op_class_init (GeglOpClass *klass)
     "title",       _("ACES Filmic"),
     "categories" , "color:tonemapping",
     "description",
-       _("HDR to SDR proofing filter/mapping curve that is an approximation of the ACES filmic curve, useful 
for consistent previewing of content in near HDR range.").
+       _("HDR to SDR proofing filter/mapping curve that is an approximation of the ACES filmic curve, useful 
for consistent previewing of content in near HDR range."),
     NULL);
 }