Add support for decoding to 565 to libjpeg_turbo

jsimd_none.c

Index: jsimd_none.c
diff --git a/jsimd_none.c b/jsimd_none.c
index 9787902a8bdbfeecfbbae53deb31c30adbe3f503..5418e806e351ba8c635f30a51152fb68ba494faf 100644
--- a/jsimd_none.c
+++ b/jsimd_none.c
@@ -2,7 +2,7 @@
  * jsimd_none.c
  *
  * Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB
- * Copyright 2009-2011 D. R. Commander
+ * Copyright 2009-2011, 2014 D. R. Commander
  * 
  * Based on the x86 SIMD extension for IJG JPEG library,
  * Copyright (C) 1999-2006, MIYASAKA Masaru.
@@ -36,6 +36,12 @@ jsimd_can_ycc_rgb (void)
   return 0;
 }
 
+GLOBAL(int)
+jsimd_can_ycc_rgb565 (void)
+{
+  return 0;
+}
+
 GLOBAL(void)
 jsimd_rgb_ycc_convert (j_compress_ptr cinfo,
                        JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
@@ -57,6 +63,13 @@ jsimd_ycc_rgb_convert (j_decompress_ptr cinfo,
 {
 }
 
+GLOBAL(void)
+jsimd_ycc_rgb565_convert (j_decompress_ptr cinfo,
+                          JSAMPIMAGE input_buf, JDIMENSION input_row,
+                          JSAMPARRAY output_buf, int num_rows)
+{
+}
+
 GLOBAL(int)
 jsimd_can_h2v2_downsample (void)
 {