core: fix copy paste error (s/source/destination/) (#5197)

```
-bash-4.3# systemd-run --property BindPaths=/etc:tmp/hey sh -c 'ls /tmp/hey'
```
prints
`Destination path tmp/hey is not absolute.`
instead of
`Destination path /etc is not absolute.`

CID #1368239

diff --git a/src/core/dbus-execute.c b/src/core/dbus-execute.c
index 3ae894d..cc10e2d 100644 (file)
--- a/src/core/dbus-execute.c
+++ b/src/core/dbus-execute.c
@@ -1698,7 +1698,7 @@ int bus_exec_context_set_transient_property(
                         if (!path_is_absolute(source))
                                 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Source path %s is not absolute.", source);
                         if (!path_is_absolute(destination))
-                                return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Destination path %s is not absolute.", source);
+                                return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Destination path %s is not absolute.", destination);
                         if (!IN_SET(mount_flags, 0, MS_REC))
                                 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Unknown mount flags.");