Bug 691422 - ldbm_back_upgradedb - fix coverity control flow issues

https://bugzilla.redhat.com/show_bug.cgi?id=691422
Resolves: bug 691422
Bug Description: ldbm_back_upgradedb - fix coverity control flow issues
Reviewed by: nkinder (Thanks!)
Branch: master
Fix Description: remove spurious semicolon
Platforms tested: RHEL6 x86_64
Flag Day: no
Doc impact: no

ldap/servers/slapd/back-ldbm/ldif2ldbm.c

@@ -2760,7 +2760,7 @@ int ldbm_back_upgradedb(Slapi_PBlock *pb)
         else
         {
             rval = dblayer_delete_indices(inst);
-            if (rval);
+            if (rval)
             {
                 upgrade_rval += rval;
                 slapi_log_error(SLAPI_LOG_FATAL, "upgrade DB",