r17671 - gnucash/trunk/lib/libqof/qof - Fix gcc warning from qof's lookup macro

[Derek Atkins]

Author: warlord
Date: 2008-10-28 10:58:15 -0400 (Tue, 28 Oct 2008)
New Revision: 17671
Trac: http://svn.gnucash.org/trac/changeset/17671

Modified:
   gnucash/trunk/lib/libqof/qof/qofbook.h
Log:
Fix gcc warning from qof's lookup macro

Modified: gnucash/trunk/lib/libqof/qof/qofbook.h
===================================================================
--- gnucash/trunk/lib/libqof/qof/qofbook.h	2008-10-28 14:45:26 UTC (rev 17670)
+++ gnucash/trunk/lib/libqof/qof/qofbook.h	2008-10-28 14:58:15 UTC (rev 17671)
@@ -131,7 +131,7 @@
 /** Lookup an entity by guid, returning pointer to the entity */
 #define QOF_BOOK_LOOKUP_ENTITY(book,guid,e_type,c_type) ({  \
   QofInstance *val = NULL;                                    \
-  if (guid && book) {                                       \
+  if ((guid != NULL) && (book != NULL)) {		      \
     QofCollection *col;                                     \
     col = qof_book_get_collection (book, e_type);           \
     val = qof_collection_lookup_entity (col, guid);         \