Function stbi__get32le

include/stb/stb_image.h:1722–1727

#ifndef STBI_NO_BMP
static stbi__uint32 stbi__get32le(stbi__context *s)
{
   stbi__uint32 z = stbi__get16le(s);
   z += (stbi__uint32)stbi__get16le(s) << 16;
   return z;
}
#endif

#define STBI__BYTECAST(x)  ((stbi_uc) ((x) & 255))  // truncate int to byte without warnings