report_path_error(): drop unused prefix parameter

This hasn't been used since 17ddc66e70 (convert report_path_error to
take struct pathspec, 2013-07-14), as the names in the struct will have
already been prefixed when they were parsed.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

builtin/checkout.c

@@ -376,7 +376,7 @@ static int checkout_paths(const struct checkout_opts *opts,
 							ps_matched,
 							opts);
 
-	if (report_path_error(ps_matched, &opts->pathspec, opts->prefix)) {
+	if (report_path_error(ps_matched, &opts->pathspec)) {
 		free(ps_matched);
 		return 1;
 	}

builtin/commit.c

@@ -235,7 +235,7 @@ static int commit_index_files(void)
  * and return the paths that match the given pattern in list.
  */
 static int list_paths(struct string_list *list, const char *with_tree,
-		      const char *prefix, const struct pathspec *pattern)
+		      const struct pathspec *pattern)
 {
 	int i, ret;
 	char *m;
@@ -264,7 +264,7 @@ static int list_paths(struct string_list *list, const char *with_tree,
 			item->util = item; /* better a valid pointer than a fake one */
 	}
 
-	ret = report_path_error(m, pattern, prefix);
+	ret = report_path_error(m, pattern);
 	free(m);
 	return ret;
 }
@@ -454,7 +454,7 @@ static const char *prepare_index(int argc, const char **argv, const char *prefix
 			die(_("cannot do a partial commit during a cherry-pick."));
 	}
 
-	if (list_paths(&partial, !current_head ? NULL : "HEAD", prefix, &pathspec))
+	if (list_paths(&partial, !current_head ? NULL : "HEAD", &pathspec))
 		exit(1);
 
 	discard_cache();

builtin/ls-files.c

@@ -680,7 +680,7 @@ int cmd_ls_files(int argc, const char **argv, const char *cmd_prefix)
 
 	if (ps_matched) {
 		int bad;
-		bad = report_path_error(ps_matched, &pathspec, prefix);
+		bad = report_path_error(ps_matched, &pathspec);
 		if (bad)
 			fprintf(stderr, "Did you forget to 'git add'?\n");
 

builtin/submodule--helper.c

@@ -348,7 +348,7 @@ static int module_list_compute(int argc, const char **argv,
 			i++;
 	}
 
-	if (ps_matched && report_path_error(ps_matched, pathspec, prefix))
+	if (ps_matched && report_path_error(ps_matched, pathspec))
 		result = -1;
 
 	free(ps_matched);

dir.c

@@ -502,8 +502,7 @@ int submodule_path_match(const struct index_state *istate,
 }
 
 int report_path_error(const char *ps_matched,
-		      const struct pathspec *pathspec,
-		      const char *prefix)
+		      const struct pathspec *pathspec)
 {
 	/*
 	 * Make sure all pathspec matched; otherwise it is an error.

dir.h

@@ -220,7 +220,7 @@ extern int match_pathspec(const struct index_state *istate,
 			  const struct pathspec *pathspec,
 			  const char *name, int namelen,
 			  int prefix, char *seen, int is_dir);
-extern int report_path_error(const char *ps_matched, const struct pathspec *pathspec, const char *prefix);
+extern int report_path_error(const char *ps_matched, const struct pathspec *pathspec);
 extern int within_depth(const char *name, int namelen, int depth, int max_depth);
 
 extern int fill_directory(struct dir_struct *dir,