git-merge: show usage if run without arguments

diff --git a/cache.h b/cache.h
index aa3a562759d811006c724bd900992d41382029a3..c35470107dde85b2179333b354aff0be1eed6df2 100644 (file)
--- a/cache.h
+++ b/cache.h
@@ -247,12 +247,6 @@ extern void * unpack_sha1_file(void *map, unsigned long mapsize, char *type, uns
 extern void * read_sha1_file(const unsigned char *sha1, char *type, unsigned long *size);
 extern int hash_sha1_file(void *buf, unsigned long len, const char *type, unsigned char *sha1);
 extern int write_sha1_file(void *buf, unsigned long len, const char *type, unsigned char *return_sha1);
-extern char *write_sha1_file_prepare(void *buf,
-                                    unsigned long len,
-                                    const char *type,
-                                    unsigned char *sha1,
-                                    unsigned char *hdr,
-                                    int *hdrlen);
 
 extern int check_sha1_signature(const unsigned char *sha1, void *buf, unsigned long size, const char *type);