Fix spiralize args bug - untested but this just looked wrong to me.

It was possibly using uninitialised memory there.

Probably not contributing to CURA-3274, but I'm still committing it under there because I found it while searching for a fix.

src/FffGcodeWriter.cpp

@@ -1007,7 +1007,7 @@ void FffGcodeWriter::processInsets(GCodePlanner& gcode_layer, SliceMeshStorage*
             { // on the last normal layer first make the outer wall normally and then start a second outer wall from the same hight, but gradually moving upward
                 WallOverlapComputation* wall_overlap_computation(nullptr);
                 int wall_0_wipe_dist(0);
-                gcode_layer.addPolygonsByOptimizer(part.insets[0], &mesh->insetX_config, wall_overlap_computation, EZSeamType::SHORTEST, z_seam_pos, mesh->getSettingInMicrons("wall_0_wipe_dist"), wall_0_wipe_dist);
+                gcode_layer.addPolygonsByOptimizer(part.insets[0], &mesh->insetX_config, wall_overlap_computation, EZSeamType::SHORTEST, z_seam_pos, wall_0_wipe_dist, spiralize);
             }
         }
         int processed_inset_number = -1;

src/infill/SubDivCube.cpp

@@ -226,6 +226,7 @@ int SubDivCube::distanceFromPointToMesh(SliceMeshStorage& mesh, int layer_nr, Po
     if (layer_nr < 0 || (unsigned int)layer_nr >= mesh.layers.size()) //!< this layer is outside of valid range
     {
         return 2;
+        *distance2 = 0;
     }
     Polygons collide;
     mesh.layers[layer_nr].getSecondOrInnermostWalls(collide);

src/utils/string.h

@@ -1,3 +1,6 @@
+//Copyright (c) 2017 Ultimaker B.V.
+//CuraEngine is released under the terms of the AGPLv3 or higher.
+
 #ifndef UTILS_STRING_H
 #define UTILS_STRING_H
 
@@ -35,7 +38,7 @@ static inline void writeInt2mm(const int64_t coord, std::ostream& ss)
 {
     constexpr size_t buffer_size = 24;
     char buffer[buffer_size];
-    int char_count = sprintf(buffer, "%" PRId64, coord); // convert int to string
+    int char_count = sprintf(buffer, "%d", int(coord)); // convert int to string
 #ifdef DEBUG
     if (char_count + 1 >= int(buffer_size)) // + 1 for the null character
     {