Fix checkView error for missing servletPath

Change-Id: I488046e9ce6915f571388bafd23f7af981098bb8

gitiles-servlet/src/main/java/com/google/gitiles/GitilesView.java

diff --git a/gitiles-servlet/src/main/java/com/google/gitiles/GitilesView.java b/gitiles-servlet/src/main/java/com/google/gitiles/GitilesView.java
index 0a76b7d..aae388c 100644
--- a/gitiles-servlet/src/main/java/com/google/gitiles/GitilesView.java
+++ b/gitiles-servlet/src/main/java/com/google/gitiles/GitilesView.java
@@ -387,7 +387,7 @@
 
     private void checkHostIndex() {
       checkView(hostName != null, "missing hostName on %s view", type);
-      checkView(servletPath != null, "missing hostName on %s view", type);
+      checkView(servletPath != null, "missing servletPath on %s view", type);
     }
 
     private void checkRepositoryIndex() {