Add PRIVATE flags to global symbols

simd/jchuff-sse2-64.asm

 ;
 ; jchuff-sse2-64.asm - Huffman entropy encoding (64-bit SSE2)
 ;
 ; Copyright 2009-2011, 2014-2016 D. R. Commander.
 ; Copyright 2015 Matthieu Darbois
 ;
 ; Based on
 ; x86 SIMD extension for IJG JPEG library
 ; Copyright (C) 1999-2006, MIYASAKA Masaru.
 ; For conditions of distribution and use, see copyright notice in jsimdext.inc
 ;
 ; This file should be assembled with NASM (Netwide Assembler),
 ; can *not* be assembled with Microsoft's MASM or any compatible
 ; assembler (including Borland's Turbo Assembler).
 ; NASM is available from http://nasm.sourceforge.net/ or
 ; http://sourceforge.net/project/showfiles.php?group_id=6208
 ;
 ; This file contains an SSE2 implementation for Huffman coding of one block.
 ; The following code is based directly on jchuff.c; see jchuff.c for more
 ; details.
 ;
 ; [TAB8]
 
 %include "jsimdext.inc"
 
 ; --------------------------------------------------------------------------
         SECTION SEG_CONST
 
         alignz  16
-        global  EXTN(jconst_huff_encode_one_block)
+        global  EXTN(jconst_huff_encode_one_block) PRIVATE
 
 EXTN(jconst_huff_encode_one_block):
 
 %include "jpeg_nbits_table.inc"
 
         alignz  16
 
 ; --------------------------------------------------------------------------
         SECTION SEG_TEXT
         BITS    64
@@ skipping 136 matching lines @@
 ; r14 = c_derived_tbl *dctbl
 ; r15 = c_derived_tbl *actbl
 
 %define t1              rbp-(DCTSIZE2*SIZEOF_WORD)
 %define t2              t1-(DCTSIZE2*SIZEOF_WORD)
 %define put_buffer      r8
 %define put_bits        r9d
 %define buffer          rax
 
         align   16
-        global  EXTN(jsimd_huff_encode_one_block_sse2)
+        global  EXTN(jsimd_huff_encode_one_block_sse2) PRIVATE
 
 EXTN(jsimd_huff_encode_one_block_sse2):
         push    rbp
         mov     rax,rsp                         ; rax = original rbp
         sub     rsp, byte 4
         and     rsp, byte (-SIZEOF_XMMWORD)     ; align to 128 bits
         mov     [rsp],rax
         mov     rbp,rsp                         ; rbp = aligned rbp
         lea     rsp, [t2]
         collect_args
@@ skipping 154 matching lines @@
 %endif
         uncollect_args
         mov     rsp,rbp         ; rsp <- aligned rbp
         pop     rsp             ; rsp <- original rbp
         pop     rbp
         ret
 
 ; For some reason, the OS X linker does not honor the request to align the
 ; segment unless we do this.
         align   16