change all pix parameters to width for consistency

CMakeLists.txt

Index: CMakeLists.txt
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1b7deba17d4c02debb247363384c83c58e0dacb1..82034977a4bb9ad88c2d0eb3c900a986edae2449 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -14,6 +14,7 @@ set(ly_source_files
   ${ly_src_dir}/compare.cc
   ${ly_src_dir}/compare_common.cc
   ${ly_src_dir}/compare_neon.cc
+  ${ly_src_dir}/compare_neon64.cc
   ${ly_src_dir}/compare_gcc.cc
   ${ly_src_dir}/compare_win.cc
   ${ly_src_dir}/convert.cc
@@ -33,12 +34,14 @@ set(ly_source_files
   ${ly_src_dir}/rotate_common.cc
   ${ly_src_dir}/rotate_mips.cc
   ${ly_src_dir}/rotate_neon.cc
+  ${ly_src_dir}/rotate_neon64.cc
   ${ly_src_dir}/rotate_gcc.cc
   ${ly_src_dir}/rotate_win.cc
   ${ly_src_dir}/row_any.cc
   ${ly_src_dir}/row_common.cc
   ${ly_src_dir}/row_mips.cc
   ${ly_src_dir}/row_neon.cc
+  ${ly_src_dir}/row_neon64.cc
   ${ly_src_dir}/row_gcc.cc
   ${ly_src_dir}/row_win.cc
   ${ly_src_dir}/scale.cc
@@ -47,6 +50,7 @@ set(ly_source_files
   ${ly_src_dir}/scale_common.cc
   ${ly_src_dir}/scale_mips.cc
   ${ly_src_dir}/scale_neon.cc
+  ${ly_src_dir}/scale_neon64.cc
   ${ly_src_dir}/scale_gcc.cc
   ${ly_src_dir}/scale_win.cc
   ${ly_src_dir}/video_common.cc