[Bf-blender-cvs] [1d3aedfb2e5] greasepencil-object: GP: Fix segment fault using cutter

[Antonioya]

Commit: 1d3aedfb2e539cb2b10a8e4a8f83e5598833f51e
Author: Antonioya
Date:   Thu Jan 3 10:50:50 2019 +0100
Branches: greasepencil-object
https://developer.blender.org/rB1d3aedfb2e539cb2b10a8e4a8f83e5598833f51e

GP: Fix segment fault using cutter

The layer can be empty without frames.

===================================================================

M	source/blender/editors/gpencil/gpencil_edit.c

===================================================================

diff --git a/source/blender/editors/gpencil/gpencil_edit.c b/source/blender/editors/gpencil/gpencil_edit.c
index 393f15608eb..0051e66cc7f 100644
--- a/source/blender/editors/gpencil/gpencil_edit.c
+++ b/source/blender/editors/gpencil/gpencil_edit.c
@@ -3832,6 +3832,9 @@ static int gpencil_cutter_lasso_select(
 	bGPDstroke *gpsn;
 	for (bGPDlayer *gpl = gpd->layers.first; gpl; gpl = gpl->next) {
 		bGPDframe *gpf = gpl->actframe;
+		if (gpf == NULL) {
+			continue;
+		}
 		for (bGPDstroke *gps = gpf->strokes.first; gps; gps = gpsn) {
 			gpsn = gps->next;
 			if (gps->flag & GP_STROKE_SELECT) {