Fix undefined behaviour on getting pointer to data in empty vector
authornOOb3167 <nOOb3167@gmail.com>
Fri, 22 Dec 2017 10:33:46 +0000 (11:33 +0100)
committerrubenwardy <rw@rubenwardy.com>
Fri, 22 Dec 2017 10:39:25 +0000 (10:39 +0000)
commit7354d0f3d8ea2d48a85479426bf0c055ff4926b4
tree955fc5bb2be26c3528447c1a88017c52a2f577c4
parent257626ceedc986de822eac5f9708e505b41ec87d
Fix undefined behaviour on getting pointer to data in empty vector

`&vector[0]` is undefined if vector.empty(), causing build failure on MSVC
src/network/networkpacket.cpp