ports-mgmt/portlint: Update to 2.22

This fixes some spurious errors by concatenating continued lines in the
Makefile.  The downside of this is that line numbers will get more
askew.  I thought I'd get some time to imrove this, but didn't.  And
this fix is important to get out now.

PR:		275075

ports-mgmt/portlint/Makefile

@@ -1,5 +1,5 @@
 PORTNAME=	portlint
-PORTVERSION=	2.21.0
+PORTVERSION=	2.22.0
 CATEGORIES=	ports-mgmt
 MASTER_SITES=	# none
 DISTFILES=	# none

ports-mgmt/portlint/src/portlint.pl

@@ -51,7 +51,7 @@
 
 # version variables
 my $major = 2;
-my $minor = 21;
+my $minor = 22;
 my $micro = 0;
 
 # default setting - for FreeBSD
@@ -1406,6 +1406,11 @@ sub checkmakefile {
 			}
 		}
 		$rawwhole .= $_;
+		if (/\\$/) {
+			# Concat continued lines.
+			chomp $rawwhole;
+			chop $rawwhole;
+		}
 	}
 	close(IN);