fixed incorrect use of unique_ptr
fixed incorrect use of unique_ptr

PVS-Studio message:
V554 Incorrect use of unique_ptr. The memory allocated with 'new []' will be cleaned using 'delete'. screengrab.cpp 753

turanszkij/WickedEngine,turanszkij/WickedEngine,turanszkij/WickedEngine,turanszkij/WickedEngine