cpplint issue with vp9_loopfilter_filters.c

Change-Id: I13aa43df6bff340b5768d69125b473a52d1d59bd

vp9/common/vp9_loopfilter_filters.c

diff --git a/vp9/common/vp9_loopfilter_filters.c b/vp9/common/vp9_loopfilter_filters.c
index 88130d8..2c4bf6c 100644
--- a/vp9/common/vp9_loopfilter_filters.c
+++ b/vp9/common/vp9_loopfilter_filters.c
@@ -8,7 +8,7 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
-#include "vpx_config.h"
+#include "./vpx_config.h"
 #include "vp9/common/vp9_common.h"
 #include "vp9/common/vp9_loopfilter.h"
 #include "vp9/common/vp9_onyxc_int.h"