[gimp] app: fix a second switch with missing paste types.

[Jehan Pagès <jehanp src gnome org>]

commit a5bc153343469f64f1ac4438f210dbdd49dbc7fa
Author: Jehan <jehan girinstud io>
Date:   Sat Feb 10 23:57:45 2018 +0100

    app: fix a second switch with missing paste types.
    
    Completing previous commit, the next switch was not raising any error,
    but I believe the new "in place" variants of paste as floating selection
    also have to be processed for mask removal.

 app/core/gimp-edit.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/app/core/gimp-edit.c b/app/core/gimp-edit.c
index 8fcd9ec..6591d36 100644
--- a/app/core/gimp-edit.c
+++ b/app/core/gimp-edit.c
@@ -258,7 +258,9 @@ gimp_edit_paste_get_layer (GimpImage     *image,
       switch (*paste_type)
         {
         case GIMP_PASTE_TYPE_FLOATING:
+        case GIMP_PASTE_TYPE_FLOATING_IN_PLACE:
         case GIMP_PASTE_TYPE_FLOATING_INTO:
+        case GIMP_PASTE_TYPE_FLOATING_INTO_IN_PLACE:
           /*  when pasting as floating selection, get rid of the layer mask,
            *  and make sure the layer has the right format
            */