Ignore file that is generated on each build
diff --git a/.gitignore b/.gitignore
index b9a8678..7592855 100644
--- a/.gitignore
+++ b/.gitignore
@@ -236,3 +236,6 @@
 # other files to ignore
 old-log4net.snk
 src/GeneratedAssemblyInfo.cs
+
+# generated on each build
+src/log4net.xml
\ No newline at end of file