convert: drop arguments other than 'path' from would_convert_to_git()

It is only the path that matters in the decision whether to filter
or not.  Clarify this by making path the only argument of
would_convert_to_git().
Signed-off-by: NSteffen Prohaska <prohaska@zib.de>
Signed-off-by: NJunio C Hamano <gitster@pobox.com>

convert.h

@@ -40,10 +40,9 @@ extern int convert_to_working_tree(const char *path, const char *src,
 				   size_t len, struct strbuf *dst);
 extern int renormalize_buffer(const char *path, const char *src, size_t len,
 			      struct strbuf *dst);
-static inline int would_convert_to_git(const char *path, const char *src,
-				       size_t len, enum safe_crlf checksafe)
+static inline int would_convert_to_git(const char *path)
 {
-	return convert_to_git(path, src, len, NULL, checksafe);
+	return convert_to_git(path, NULL, 0, NULL, 0);
 }
 
 /*****************************************************************

sha1_file.c

@@ -3144,7 +3144,7 @@ int index_fd(unsigned char *sha1, int fd, struct stat *st,
 	if (!S_ISREG(st->st_mode))
 		ret = index_pipe(sha1, fd, type, path, flags);
 	else if (size <= big_file_threshold || type != OBJ_BLOB ||
-		 (path && would_convert_to_git(path, NULL, 0, 0)))
+		 (path && would_convert_to_git(path)))
 		ret = index_core(sha1, fd, size, type, path, flags);
 	else
 		ret = index_stream(sha1, fd, size, type, path, flags);