objcopy: Avoid shadowing optarg.

In commit 7173b38a442c007a554ea200817a0eadce89c87b I used optarg as the
name for a function parameter, shadowing the global of that name.  This
commit changes the function parameter to be called arg.

binutils/ChangeLog:

	* objcopy.c (init_section_add): Rename optarg to arg in order to
	avoid shadowing a global variable.

1 files changed, 4 insertions, 4 deletions

diff --git a/binutils/objcopy.c b/binutils/objcopy.c
index 5cb4b13..7f094d3 100644
--- a/binutils/objcopy.c
+++ b/binutils/objcopy.c
@@ -3547,25 +3547,25 @@ convert_efi_target (char *efi)
 }
 
 /* Allocate and return a pointer to a struct section_add, initializing the
-   structure using OPTARG, a string in the format "sectionname=filename".
+   structure using ARG, a string in the format "sectionname=filename".
    The returned structure will have its next pointer set to NEXT.  The
    OPTION field is the name of the command line option currently being
    parsed, and is only used if an error needs to be reported.  */
 
 static struct section_add *
-init_section_add (const char *optarg,
+init_section_add (const char *arg,
                   struct section_add *next,
                   const char *option)
 {
   struct section_add *pa;
   const char *s;
 
-  s = strchr (optarg, '=');
+  s = strchr (arg, '=');
   if (s == NULL)
     fatal (_("bad format for %s"), option);
 
   pa = (struct section_add *) xmalloc (sizeof (struct section_add));
-  pa->name = xstrndup (optarg, s - optarg);
+  pa->name = xstrndup (arg, s - arg);
   pa->filename = s + 1;
   pa->next = next;
   pa->contents = NULL;