Bugzilla bug 219982: removed an unused local variable. (The function …

…call

is needed for its side effect.)  Thanks to timeless@bemail.org and
Serge GAUTHERIE <gautheri@noos.fr> for the patch.  r=wtc.

security/nss/lib/certdb/certdb.c

@@ -2598,7 +2598,7 @@ CERT_FilterCertListByUsage(CERTCertList *certList, SECCertUsage usage,
 		 * takes trust flags into consideration.  Should probably
 		 * fix the cert decoding code to do this.
 		 */
-		PRBool dummyret = CERT_IsCACert(node->cert, &certType);
+		(void)CERT_IsCACert(node->cert, &certType);
 	    } else {
 		certType = node->cert->nsCertType;
 	    }