Fix ACCOUNT_NSCU Qof Param getter.

[Derek Atkins]

Log Message:
-----------
Fix ACCOUNT_NSCU Qof Param getter.

	* src/engine/Account.c:
	  This patch fixes: (QofAccessFunc)xaccAccountSetNonStdSCU in
	  src/engine/Account.c - that's a Set routine allocated as a
	  QofAccessFunc - the patch changes it to the appropriate Get
	  routine - the QofSetterFunc is OK.

Tags:
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gnucash-gnome2-dev

Modified Files:
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    gnucash:
        ChangeLog
    gnucash/src/engine:
        Account.c