added missing -std=c++11 flag in build.sh

[satrac]

Added missing -std=c++11 flag in build.sh.
Matches gcc flag found in build_metadata.sh and buildsuper_x64-linux.sh

[zhedye]

Useful since std::lerp was added in C++20, so without it I get this:

4cc/code/custom/4coder_base_types.cpp:1508:25: error: ‘f32 lerp(f32, f32, f32)’ conflicts with a previous declaration
 1508 | lerp(f32 a, f32 t, f32 b){
      |                         ^
In file included from /usr/include/c++/16/math.h:36,
                 from /home/ds/code/4cc/code/custom/4coder_base_types.cpp:319:
/usr/include/c++/16/cmath:3857:3: note: previous declaration ‘constexpr float std::lerp(float, float, float)’
 3857 |   lerp(float __a, float __b, float __t) noexcept

[zhedye]

Can you move the new scripts and the linux alsa stuff to other PRs?

[satrac]

Can you move the new scripts and the linux alsa stuff to other PRs?

yes let me resubmit.