Layer opacity is not being saved with mapserver-7-0

[szekerest]

As far as I see the layer opacity setting is not saved by mapserver to the map file in the 7-0 branch, though it is saved in the master branch.

In the 7-0 branch , when I set the opacity in the map file manually as follows:

LAYER
COMPOSITE
OPACITY 70
END
...
END

the application is crashing when loading that map file. This is because the temp image created has null map reference and the truetype font (hashtable) lookup causes the crash.