Moved vp8_encode_bool into boolhuff.h

allowing the compiler to inline this function.  For real-time
encodes, this gave a boost of 1% to 2.5%, depending on the
speed setting.

Change-Id: I3929d176cca086b4261267b848419d5bcff21c02
diff --git a/vp8/decoder/detokenize.c b/vp8/decoder/detokenize.c
index c22e0f2..166be9e 100644
--- a/vp8/decoder/detokenize.c
+++ b/vp8/decoder/detokenize.c
@@ -80,7 +80,7 @@
     }
 }
 
-DECLARE_ALIGNED(16, extern const unsigned char, vp8dx_bitreader_norm[256]);
+DECLARE_ALIGNED(16, extern const unsigned char, vp8_norm[256]);
 #define FILL \
     if(count < 0) \
         VP8DX_BOOL_DECODER_FILL(count, value, bufptr, bufend);
@@ -88,7 +88,7 @@
 #define NORMALIZE \
     /*if(range < 0x80)*/                            \
     { \
-        shift = vp8dx_bitreader_norm[range]; \
+        shift = vp8_norm[range]; \
         range <<= shift; \
         value <<= shift; \
         count -= shift; \