r22254 - gnucash/trunk/src/backend/dbi - Fix "discarded return value warning" from r22203

[John Ralls]

Author: jralls
Date: 2012-07-01 16:20:28 -0400 (Sun, 01 Jul 2012)
New Revision: 22254
Trac: http://svn.gnucash.org/trac/changeset/22254

Modified:
   gnucash/trunk/src/backend/dbi/gnc-backend-dbi.c
Log:
Fix "discarded return value warning" from r22203

Modified: gnucash/trunk/src/backend/dbi/gnc-backend-dbi.c
===================================================================
--- gnucash/trunk/src/backend/dbi/gnc-backend-dbi.c	2012-07-01 18:45:51 UTC (rev 22253)
+++ gnucash/trunk/src/backend/dbi/gnc-backend-dbi.c	2012-07-01 20:20:28 UTC (rev 22254)
@@ -1755,6 +1755,7 @@
 {
     FILE* f;
     gchar buf[50];
+    G_GNUC_UNUSED size_t chars_read;
     gint status;
     gchar *filename;
 
@@ -1773,7 +1774,7 @@
     }
 
     // OK if file has the correct header
-    fread( buf, sizeof(buf), 1, f );
+    chars_read = fread( buf, sizeof(buf), 1, f );
     status = fclose( f );
     if ( status < 0 )
     {