macho-o.c don't leak strtab

[Alan Modra]

	* mach-o.c (bfd_mach_o_write_symtab_content): Free strtab on
	success path.

diff --git a/bfd/mach-o.c b/bfd/mach-o.c
index 55407fa347d..4d414fd95db 100644
--- a/bfd/mach-o.c
+++ b/bfd/mach-o.c
@@ -2073,6 +2073,8 @@ bfd_mach_o_write_symtab_content (bfd *abfd, bfd_mach_o_symtab_command *sym)
   if (!_bfd_stringtab_emit (abfd, strtab))
     goto err;
 
+  _bfd_stringtab_free (strtab);
+
   /* Pad string table.  */
   padlen = bfd_mach_o_pad4 (abfd, sym->strsize);
   if (padlen < 0)

-- 
Alan Modra
Australia Development Lab, IBM