r22535 - gnucash/branches/2.4/src/backend/xml - [r22057]Fix a warning due to the wrong declaration for the return value

[John Ralls]

Author: jralls
Date: 2012-11-06 19:24:11 -0500 (Tue, 06 Nov 2012)
New Revision: 22535
Trac: http://svn.gnucash.org/trac/changeset/22535

Modified:
   gnucash/branches/2.4/src/backend/xml/io-gncxml-v2.c
Log:
[r22057]Fix a warning due to the wrong declaration for the return value
of gzopen.

The return value is off by a level of indirection, it should be a gzFile
not gzFile *.