Merged revisions 301402 via svnmerge from

https://origsvn.digium.com/svn/asterisk/branches/1.8

........
  r301402 | tilghman | 2011-01-11 18:26:39 -0600 (Tue, 11 Jan 2011) | 7 lines
  
  Call execl() directly for a better solution for paths with spaces.
  
  (closes issue #18600)
  Reported by: ebroad
  Patches: 
        20110111__issue18600__2.diff.txt uploaded by tilghman (license 14)
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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@301403 65c4cc65-6c06-0410-ace0-fbb531ad65f3

main/file.c

@@ -312,11 +312,9 @@ static void filestream_destructor(void *arg)
 		ast_translator_free_path(f->trans);
 
 	if (f->realfilename && f->filename) {
-			size = strlen(f->filename) + strlen(f->realfilename) + 15;
-			cmd = alloca(size);
-			memset(cmd,0,size);
-			snprintf(cmd, size, "/bin/mv -f \"%s\" \"%s\"", f->filename, f->realfilename);
-			ast_safe_system(cmd);
+		if (ast_safe_fork(0) == 0) {
+			execl("/bin/mv", "mv", "-f", f->filename, f->realfilename, SENTINEL);
+		}
 	}
 
 	if (f->filename)