Added correct call to have curve paths calculated, when the anim system

discovers it wasn't done yet. Needs displist now, not calc-path. :)

Solves reported bug in regression file bowl.blend (camera didnt move) and
errors in NLA stride paths.

source/blender/blenkernel/intern/action.c

@@ -543,8 +543,8 @@ void do_all_actions(Object *ob)
 
 							if (cu->flag & CU_PATH){
 								/* Ensure we have a valid path */
-								if(cu->path==NULL || cu->path->data==NULL) printf("action path error in ob %s\n", ob->parent->id.name+2);
-								else {
+								if(cu->path==NULL || cu->path->data==NULL) makeDispListCurveTypes(ob->parent);
+								if(cu->path) {
 
 									/* Find the position on the path */
 									ctime= bsystem_time(ob, ob->parent, (float)G.scene->r.cfra, 0.0);

source/blender/blenkernel/intern/object.c

@@ -1073,7 +1073,8 @@ void ob_parcurve(Object *ob, Object *par, float mat[][4])
 	Mat4One(mat);
 	
 	cu= par->data;
-	if(cu->path==NULL || cu->path->data==NULL) calc_curvepath(par);
+	if(cu->path==NULL || cu->path->data==NULL) /* only happens on reload file */
+		makeDispListCurveTypes(par);
 	if(cu->path==NULL) return;
 	
 	/* exception, timeoffset is regarded as distance offset */

source/blender/src/drawview.c

@@ -1906,7 +1906,7 @@ void drawview3dspace(ScrArea *sa, void *spacedata)
 	Object *ob;
 	
 	setwinmatrixview3d(0);	/* 0= no pick rect */
-	setviewmatrixview3d();
+	setviewmatrixview3d();	/* note: calls where_is_object for camera... */
 
 	Mat4MulMat4(v3d->persmat, v3d->viewmat, curarea->winmat);
 	Mat4Invert(v3d->persinv, v3d->persmat);