16-bit wide save RAM is stored in memory byteswapped for performance reasons, but saving it to disc that way isn't great. Swap before save/after load to fix

#ifndef PPM_H_
#define PPM_H_

void save_ppm(FILE *f, uint32_t *buffer, uint32_t width, uint32_t height, uint32_t pitch);

#endif //PPM_H_