ratectrl_rtc.cc: add missing aom_internal_error_info include

Change-Id: I6684f45947d83bf0395f90618b1514fb09012437

av1/ratectrl_rtc.cc

diff --git a/av1/ratectrl_rtc.cc b/av1/ratectrl_rtc.cc
index 368159a..9d176e5 100644
--- a/av1/ratectrl_rtc.cc
+++ b/av1/ratectrl_rtc.cc
@@ -16,6 +16,7 @@
 
 #include "aom/aom_encoder.h"
 #include "aom/aomcx.h"
+#include "aom/internal/aom_codec_internal.h"
 #include "aom_dsp/aom_dsp_common.h"
 #include "aom_mem/aom_mem.h"
 #include "av1/common/common.h"