[tests] fix warning about newline in filename

From: Stefan Bühler <stbuehler@web.de>

git-svn-id: svn://svn.lighttpd.net/lighttpd/branches/lighttpd-1.4.x@3021 152afb58-edef-0310-8abb-c4023f1b3aa9

tests/LightyTest.pm

@@ -17,6 +17,7 @@ sub find_program {
 		$location = $ENV{$envname};
 	} else {
 		$location = `which "$program" 2>/dev/null`;
+		chomp $location;
 		if (! -x $location) {
 			for my $path (@DEFAULT_PATHS) {
 				$location = $path . $program;