Include vpx_dsp_common.h when using VPXMIN/MAX

Change-Id: I2e387a06484a06301f3cd6600c4ba2f4335b61ee

vp10/common/pred_common.h

diff --git a/vp10/common/pred_common.h b/vp10/common/pred_common.h
index 22d2774..1b55f53 100644
--- a/vp10/common/pred_common.h
+++ b/vp10/common/pred_common.h
@@ -13,6 +13,7 @@
 
 #include "vp10/common/blockd.h"
 #include "vp10/common/onyxc_int.h"
+#include "vpx_dsp/vpx_dsp_common.h"
 
 #ifdef __cplusplus
 extern "C" {