[binutils-gdb] libctf: unused variable

[Alan Modra]

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=d664a6aad2da8e051d210da2e2b851c1e51faab8

commit d664a6aad2da8e051d210da2e2b851c1e51faab8
Author: Alan Modra <amodra@gmail.com>
Date:   Mon Mar 20 16:05:27 2023 +1030

    libctf: unused variable
    
            * ctf-archive.c (arc_mmap_writeout): Delete unused variable.

Diff:
---
 libctf/ctf-archive.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/libctf/ctf-archive.c b/libctf/ctf-archive.c
index 54c49b3edbb..a8f76e4f42f 100644
--- a/libctf/ctf-archive.c
+++ b/libctf/ctf-archive.c
@@ -1249,7 +1249,6 @@ static int arc_mmap_writeout (int fd, void *header, size_t headersz,
 			      const char **errmsg)
 {
   ssize_t len;
-  size_t acc = 0;
   char *data = (char *) header;
   ssize_t count = headersz;
 
@@ -1272,7 +1271,6 @@ static int arc_mmap_writeout (int fd, void *header, size_t headersz,
       if (len == EINTR)
 	continue;
 
-      acc += len;
       if (len == 0)				/* EOF.  */
 	break;