merge-file.hon commit help.c: Fix detection of custom merge strategy on cygwin (b8a9733)
   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