Merge pull request #1607 from Areloch/Camera_MatEd_Crashfix

Select camera when in material editor crashfix.

Engine/source/T3D/shapeBase.cpp

@@ -4881,17 +4881,18 @@ DefineEngineMethod( ShapeBase, getTargetCount, S32, (),,
    
    "@see getTargetName()\n")
 {
-	ShapeBase *obj = dynamic_cast< ShapeBase* > ( object );
-	if(obj)
-	{
-		// Try to use the client object (so we get the reskinned targets in the Material Editor)
-		if ((ShapeBase*)obj->getClientObject())
-			obj = (ShapeBase*)obj->getClientObject();
+   ShapeBase *obj = dynamic_cast< ShapeBase* > ( object );
+   if(obj)
+   {
+      // Try to use the client object (so we get the reskinned targets in the Material Editor)
+      if ((ShapeBase*)obj->getClientObject())
+         obj = (ShapeBase*)obj->getClientObject();
 
-		return obj->getShapeInstance()->getTargetCount();
+      if (obj->getShapeInstance() != NULL)
+         return obj->getShapeInstance()->getTargetCount();
 	}
-
-	return -1;
+   
+   return -1;
 }
 
 DefineEngineMethod( ShapeBase, changeMaterial, void, ( const char* mapTo, Material* oldMat, Material* newMat ),,