Documentation: add git-mergetool to the command list.

diff --git a/xdiff-interface.h b/xdiff-interface.h
index 1346908bea31319aabeabdfd955e2ea9aab37456..1918808081c00daf20a16a1592c0ed9be6d79be4 100644 (file)
--- a/xdiff-interface.h
+++ b/xdiff-interface.h
@@ -17,5 +17,6 @@ int xdiff_outf(void *priv_, mmbuffer_t *mb, int nbuf);
 int parse_hunk_header(char *line, int len,
                      int *ob, int *on,
                      int *nb, int *nn);
+int read_mmfile(mmfile_t *ptr, const char *filename);
 
 #endif