mandoc: add a forgotten "#if HAVE_PLEDGE"; patch sent in by <alexander

mandoc: add a forgotten "#if HAVE_PLEDGE"; patch sent in by <alexander

[schwarze]

Log Message:
-----------
add a forgotten "#if HAVE_PLEDGE";
patch sent in by <alexander dot gromnitsky at gmail dot com>
who found the problem the hard way on Fedora 32

Modified Files:
--------------
    mandoc:
        main.c

Revision Data
-------------
Index: main.c
===================================================================
RCS file: /home/cvs/mandoc/mandoc/main.c,v
retrieving revision 1.352
retrieving revision 1.353
diff -Lmain.c -Lmain.c -u -p -r1.352 -r1.353
--- main.c
+++ main.c
@@ -847,6 +847,7 @@ process_onefile(struct mparse *mp, struc
 		outst->use_pager = 0;
 		outst->tag_files = term_tag_init(conf->output.outfilename,
 		    conf->output.tagfilename);
+#if HAVE_PLEDGE
 		if ((conf->output.outfilename != NULL ||
 		     conf->output.tagfilename != NULL) &&
 		    pledge("stdio rpath cpath", NULL) == -1) {
@@ -854,6 +855,7 @@ process_onefile(struct mparse *mp, struc
 			    "%s", strerror(errno));
 			exit(mandoc_msg_getrc());
 		}
+#endif
 	}
 	if (outst->had_output && outst->outtype <= OUTT_UTF8) {
 		if (outst->outdata == NULL)
--
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