make: unifdef SUN5_0 (defined)

@@ -129,15 +129,11 @@
                                 break;
                         }
 
                         if ((counter > 5) && (!printed_warning)) {
                                 /* Print waiting message after 5 secs */
-#if defined(SUN5_0) || defined(HP_UX) || defined(linux)
                                 (void) getcwd(msg, MAXPATHLEN);
-#else
-                                (void) getwd(msg);
-#endif
                                 fprintf(stderr,
                                         catgets(libmksdmsi18n_catd, 1, 162, "file_lock: file %s is already locked.\n"),
                                         name);
                                 fprintf(stderr,
                                         catgets(libmksdmsi18n_catd, 1, 163, "file_lock: will periodically check the lockfile %s for two minutes.\n"),

@@ -175,13 +171,11 @@
 #if !defined(linux)
         if (errno < sys_nerr) {
 #ifdef SUN4_x
                 strcat(msg, sys_errlist[errno]);
 #endif
-#ifdef SUN5_0
                 strcat(msg, strerror(errno));
-#endif
         } else {
                 len = strlen(msg);
                 sprintf(&msg[len], NOCATGETS("errno %d"), errno);
         }
 #else