[metacity] libmetacity: add missing break statement

[Alberts Muktupāvels <muktupavels src gnome org>]

commit 4292b95d1824a8397a934b0c15c7609080d469ad
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Sun Feb 5 21:52:14 2017 +0200

    libmetacity: add missing break statement

 libmetacity/meta-draw-spec.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/libmetacity/meta-draw-spec.c b/libmetacity/meta-draw-spec.c
index d44ecaa..6ecde1b 100644
--- a/libmetacity/meta-draw-spec.c
+++ b/libmetacity/meta-draw-spec.c
@@ -687,6 +687,7 @@ do_operation (PosExpr *a,
               return FALSE;
             }
           a->d.double_val = fmod (a->d.double_val, b->d.double_val);
+          break;
         case POS_OP_ADD:
           a->d.double_val = a->d.double_val + b->d.double_val;
           break;