Fix 2 possible NullPointer occurences

marco

2015-10-17 1aec17636d8c548257cb307f8cc1e41354e00421

 src/main/java/com/gitblit/servlet/EnforceAuthenticationFilter.java

@@ -18,8 +18,8 @@
import java.io.IOException;
import java.text.MessageFormat;

import javax.inject.Inject;
import javax.inject.Singleton;
import com.google.inject.Inject;
import com.google.inject.Singleton;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;