av1/encoder/nonrd_opt.c: Include config/av1_rtcd.h

av1/encoder/nonrd_opt.c calls av1_block_error_lp(), which is declared in
config/av1_rtcd.h.

Change-Id: I901e4041b5c49866fd683667a4a66520d63bae12

av1/encoder/nonrd_opt.c

diff --git a/av1/encoder/nonrd_opt.c b/av1/encoder/nonrd_opt.c
index 651ca43..e3589da 100644
--- a/av1/encoder/nonrd_opt.c
+++ b/av1/encoder/nonrd_opt.c
@@ -10,6 +10,7 @@
  */
 
 #include "config/aom_dsp_rtcd.h"
+#include "config/av1_rtcd.h"
 
 #include "av1/common/reconinter.h"