Deal with a return value of "-2" when database locking failed.

--- ./lib/rpminstall.c.orig	2005-12-14 21:01:09.000000000 +0000
+++ ./lib/rpminstall.c	2005-12-15 14:47:35.000000000 +0000
@@ -599,6 +611,10 @@ if (fileURL[0] == '=') {
 	    eiu->numFailed++;
 	    goto exit;
 	    /*@notreached@*/ /*@switchbreak@*/ break;
+	default:
+	    eiu->numFailed++;
+	    goto exit;
+	    /*@notreached@*/ /*@switchbreak@*/ break;
 	}
 
 	eiu->numRPMS++;