Include type defines

Clears error: unknown type name 'uint8_t'

Change-Id: I9b6eff66a5c69bc24aeaeb5ade29255a164ef0e2

vp9/common/arm/neon/vp9_loopfilter_16_neon.c

@@ -9,6 +9,7 @@
  */
 
 #include "./vp9_rtcd.h"
+#include "vpx/vpx_integer.h"
 
 void vp9_lpf_horizontal_8_dual_neon(uint8_t *s, int p /* pitch */,
                                     const uint8_t *blimit0,