Function trimNullTerminator

pj_scene3D/widgets/src/gl/program.cpp:17–22

namespace {

std::string trimNullTerminator(std::string log) {
  while (!log.empty() && log.back() == '\0') {
    log.pop_back();
  }
  return log;
}

template <typename Functions>
std::string shaderInfoLog(Functions& functions, GLuint shader) {