ref_transaction_commit(): provide better error messages

diff --git a/exec_cmd.h b/exec_cmd.h
index e4c9702f02858973096f6ef0f41e5a572ff4d0db..93b0c02529a854af4ccb648ea0d0571c5495b63a 100644 (file)
--- a/exec_cmd.h
+++ b/exec_cmd.h
@@ -9,6 +9,6 @@ extern const char **prepare_git_cmd(const char **argv);
 extern int execv_git_cmd(const char **argv); /* NULL terminated */
 LAST_ARG_MUST_BE_NULL
 extern int execl_git_cmd(const char *cmd, ...);
-extern const char *system_path(const char *path);
+extern char *system_path(const char *path);
 
 #endif /* GIT_EXEC_CMD_H */