Add PRIVATE flags to global symbols

simd/jdmrgext-sse2.asm

 ;
 ; jdmrgext.asm - merged upsampling/color conversion (SSE2)
 ;
 ; Copyright 2009, 2012 Pierre Ossman <ossman@cendio.se> for Cendio AB
 ; Copyright 2012 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 23 matching lines @@
 %define input_buf(b)            (b)+12          ; JSAMPIMAGE input_buf
 %define in_row_group_ctr(b)     (b)+16          ; JDIMENSION in_row_group_ctr
 %define output_buf(b)           (b)+20          ; JSAMPARRAY output_buf
 
 %define original_ebp    ebp+0
 %define wk(i)           ebp-(WK_NUM-(i))*SIZEOF_XMMWORD ; xmmword wk[WK_NUM]
 %define WK_NUM          3
 %define gotptr          wk(0)-SIZEOF_POINTER    ; void * gotptr
 
         align   16
-        global  EXTN(jsimd_h2v1_merged_upsample_sse2)
+        global  EXTN(jsimd_h2v1_merged_upsample_sse2) PRIVATE
 
 EXTN(jsimd_h2v1_merged_upsample_sse2):
         push    ebp
         mov     eax,esp                         ; eax = original ebp
         sub     esp, byte 4
         and     esp, byte (-SIZEOF_XMMWORD)     ; align to 128 bits
         mov     [esp],eax
         mov     ebp,esp                         ; ebp = aligned ebp
         lea     esp, [wk(0)]
         pushpic eax             ; make a room for GOT address
@@ skipping 402 matching lines @@
 ;                                  JDIMENSION in_row_group_ctr,
 ;                                  JSAMPARRAY output_buf);
 ;
 
 %define output_width(b) (b)+8                   ; JDIMENSION output_width
 %define input_buf(b)            (b)+12          ; JSAMPIMAGE input_buf
 %define in_row_group_ctr(b)     (b)+16          ; JDIMENSION in_row_group_ctr
 %define output_buf(b)           (b)+20          ; JSAMPARRAY output_buf
 
         align   16
-        global  EXTN(jsimd_h2v2_merged_upsample_sse2)
+        global  EXTN(jsimd_h2v2_merged_upsample_sse2) PRIVATE
 
 EXTN(jsimd_h2v2_merged_upsample_sse2):
         push    ebp
         mov     ebp,esp
         push    ebx
 ;       push    ecx             ; need not be preserved
 ;       push    edx             ; need not be preserved
         push    esi
         push    edi
 
@@ skipping 32 matching lines @@
         pop     esi
 ;       pop     edx             ; need not be preserved
 ;       pop     ecx             ; need not be preserved
         pop     ebx
         pop     ebp
         ret
 
 ; For some reason, the OS X linker does not honor the request to align the
 ; segment unless we do this.
         align   16