minor: fix windows unused var warning

acmorrow · acmorrow · commit 791a616150d1 · 2014-07-17T12:14:09.000-04:00
diff --git a/src/mongo/client/dbclient_rs.cpp b/src/mongo/client/dbclient_rs.cpp
@@ -372,7 +372,7 @@ namespace {
             try {
                 conn->logout(i->first, response);
             }
-            catch (const UserException& ex) {
+            catch (const UserException&) {
                 warning() << "Failed to logout: " << conn->getServerAddress() <<
                     " on db: " << i->first << endl;
             }

Original file line number	Diff line number	Diff line change
`@@ -372,7 +372,7 @@ namespace {`
`372`	`372`	`try {`
`373`	`373`	`conn->logout(i->first, response);`
`374`	`374`	`}`
`375`		`- catch (const UserException& ex) {`
	`375`	`+ catch (const UserException&) {`
`376`	`376`	`warning() << "Failed to logout: " << conn->getServerAddress() <<`
`377`	`377`	`" on db: " << i->first << endl;`
`378`	`378`	`}`