math/fityk: unbreak build on 8.x/9.x (gcc 4.8)
Add -std=c++11 to fix
/usr/local/include/wx-3.0/wx/strvararg.h:25:27: error: type_traits: No such file or directory
which itself exposes
guess.cpp:20:7: error: unknown type name 'array'
const array<string, 3> Guess::linear_traits =
^
sidebar.cpp:900:52: error: invalid suffix on literal; C++11 requires a space between
literal and identifier [-Wreserved-user-defined-literal]
+ s2wx(format1<realt, 30>("%.10"REALT_LENGTH_MOD"g", a)));
^Reported by: pkg-fallout
Approved by: portmgr blanket
MFH: 2015Q2 (only USES due to lack of r383466)