merge-file.hon commit checkout: pass "struct checkout_opts *" as const pointer (a2b4994)
   1#ifndef MERGE_FILE_H
   2#define MERGE_FILE_H
   3
   4extern void *merge_file(const char *path, struct blob *base, struct blob *our,
   5                        struct blob *their, unsigned long *size);
   6
   7#endif