realpath: fix build on illumos/solaris

[Niclas Rosenvik <nros%NetBSD.org@localhost>]

Module Name:	pkgsrc-wip
Committed By:	Niclas Rosenvik <nros%NetBSD.org@localhost>
Pushed By:	nros
Date:		Wed Oct 20 13:38:50 2021 +0000
Changeset:	1d333480a46dc4f45e83d68b7b17e49e7dbc39f8

Modified Files:
	realpath/files/realpath.c

Log Message:
realpath: fix build on illumos/solaris

To see a diff of this commit:
https://wip.pkgsrc.org/cgi-bin/gitweb.cgi?p=pkgsrc-wip.git;a=commitdiff;h=1d333480a46dc4f45e83d68b7b17e49e7dbc39f8

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

diffstat:
 realpath/files/realpath.c | 1 +
 1 file changed, 1 insertion(+)

diffs:
diff --git a/realpath/files/realpath.c b/realpath/files/realpath.c
index 106c39f3e3..e989fe05d1 100644
--- a/realpath/files/realpath.c
+++ b/realpath/files/realpath.c
@@ -33,6 +33,7 @@
 #include <sys/param.h>
 
 #include <err.h>
+#include <limits.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <unistd.h>