Add PRIVATE flags to global symbols

simd/jquanti-sse2-64.asm

 ;
 ; jquanti.asm - sample data conversion and quantization (64-bit SSE2)
 ;
 ; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB
 ; Copyright 2009 D. R. Commander
 ;
 ; 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
@@ skipping 18 matching lines @@
 ; GLOBAL(void)
 ; jsimd_convsamp_sse2 (JSAMPARRAY sample_data, JDIMENSION start_col,
 ;                      DCTELEM *workspace);
 ;
 
 ; r10 = JSAMPARRAY sample_data
 ; r11 = JDIMENSION start_col
 ; r12 = DCTELEM *workspace
 
         align   16
-        global  EXTN(jsimd_convsamp_sse2)
+        global  EXTN(jsimd_convsamp_sse2) PRIVATE
 
 EXTN(jsimd_convsamp_sse2):
         push    rbp
         mov     rax,rsp
         mov     rbp,rsp
         collect_args
         push    rbx
 
         pxor    xmm6,xmm6               ; xmm6=(all 0's)
         pcmpeqw xmm7,xmm7
@@ skipping 55 matching lines @@
 
 %define RECIPROCAL(m,n,b) XMMBLOCK(DCTSIZE*0+(m),(n),(b),SIZEOF_DCTELEM)
 %define CORRECTION(m,n,b) XMMBLOCK(DCTSIZE*1+(m),(n),(b),SIZEOF_DCTELEM)
 %define SCALE(m,n,b)      XMMBLOCK(DCTSIZE*2+(m),(n),(b),SIZEOF_DCTELEM)
 
 ; r10 = JCOEFPTR coef_block
 ; r11 = DCTELEM *divisors
 ; r12 = DCTELEM *workspace
 
         align   16
-        global  EXTN(jsimd_quantize_sse2)
+        global  EXTN(jsimd_quantize_sse2) PRIVATE
 
 EXTN(jsimd_quantize_sse2):
         push    rbp
         mov     rax,rsp
         mov     rbp,rsp
         collect_args
 
         mov rsi, r12
         mov rdx, r11
         mov rdi, r10
@@ skipping 52 matching lines @@
         dec     rax
         jnz     near .quantloop
 
         uncollect_args
         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