HTTPCLIENT-1158: fixed typo

git-svn-id: https://svn.apache.org/repos/asf/httpcomponents/httpclient/trunk@1232915 13f79535-47bb-0310-9956-ffa450edef68

httpclient/src/main/java/org/apache/http/client/utils/URIUtils.java

@@ -127,7 +127,7 @@ public class URIUtils {
             final HttpHost target,
             boolean dropFragment) throws URISyntaxException {
         if (uri == null) {
-            throw new IllegalArgumentException("URI may nor be null");
+            throw new IllegalArgumentException("URI may not be null");
         }
         if (target != null) {
             return URIUtils.createURI(