Don't use C++/C99 variable declarations.

[Derek Atkins]

Log Message:
-----------
Don't use C++/C99 variable declarations.

	* src/import-export/hbci/dialog-hbcitrans.c:  Don't use C++/C99
	  declarations.  Declare variables at the top of the function.
	  Fixes #140070

Modified Files:
--------------
    gnucash:
        ChangeLog
    gnucash/src/import-export/hbci:
        dialog-hbcitrans.c