Switch to side-by-side view

--- a/src/index/recollindex.cpp
+++ b/src/index/recollindex.cpp
@@ -24,6 +24,8 @@
 #include <stdio.h>
 #include <signal.h>
 #include <errno.h>
+#include <sys/time.h>
+#include <sys/resource.h>
 
 #include <iostream>
 #include <list>