[PowerPC] Fix name conflict in unix-smail
Fix issue on PowerPC that unix-smail fails to compile, which should
be a name conflict about `optopt` variable.
diff --git a/MultiSource/Benchmarks/Prolangs-C/unix-smail/getopt.c b/MultiSource/Benchmarks/Prolangs-C/unix-smail/getopt.c
index b70c600..cc7cd59 100644
--- a/MultiSource/Benchmarks/Prolangs-C/unix-smail/getopt.c
+++ b/MultiSource/Benchmarks/Prolangs-C/unix-smail/getopt.c
@@ -37,7 +37,7 @@
int unix_smail_opterr = 1;
int unix_smail_optind = 1;
-int optopt;
+int optopt_;
char *optarg;
#define EOF (-1)
@@ -55,7 +55,7 @@
unix_smail_optind++;
return(EOF);
}
- optopt = c = argv[unix_smail_optind][sp];
+ optopt_ = c = argv[unix_smail_optind][sp];
if(c == ':' || (cp=index(opts, c)) == NULL) {
ERR(": illegal option -- ", c);
if(argv[unix_smail_optind][++sp] == '\0') {
