When linking to ports, strip any suffixes such as @py27 or :configure

This allows the link to work, but the text will retain the original value.

include/freshports.php

@@ -148,6 +148,18 @@ function PortsFreezeStatus($ColSpan=1) {
 }
 
 
+function freshports_strip_port_suffix($PortName) {
+	# a dependency might look like:
+	# devel/py-setuptools@py27
+	# devel/py-setuptools:configure
+	#
+	# but we can't link to that, so we remove the suffix
+
+	$PortName = strtok($PortName, "@:");
+
+	return $PortName;
+}
+
 function freshports_link_to_port($CategoryName, $PortName, $BranchName = BRANCH_HEAD) {
 
 	$HTML = '';
@@ -162,7 +174,7 @@ function freshports_link_to_port($CategoryName, $PortName, $BranchName = BRANCH_
 
 	// create link to port, perhaps on a branch
 	//
-	$HTML .= '<a href="/' . $CategoryName . '/' . $PortName . '/';
+	$HTML .= '<a href="/' . $CategoryName . '/' . freshports_strip_port_suffix($PortName) . '/';
 	if ($BranchName != BRANCH_HEAD) {
 	  $HTML .= '?branch=' . htmlentities($BranchName);
 	}
@@ -178,7 +190,7 @@ function freshports_link_to_port_single($CategoryName, $PortName, $BranchName =
 	// link to both category and port
 
 	$HTML = '';
-	$HTML .= '<a href="/' . $CategoryName . '/' . $PortName . '/';
+	$HTML .= '<a href="/' . $CategoryName . '/' . freshports_strip_port_suffix($PortName) . '/';
 	if ($BranchName != BRANCH_HEAD) {
 	  $HTML .= '?branch=' . htmlentities($BranchName);
 	}
@@ -193,7 +205,7 @@ function freshports_link_text_to_port_single($text, $CategoryName, $PortName, $B
 	// This differs from freshports_link_to_port_single in the link text is not necessarily the port name.
 
 	$HTML = '';
-	$HTML .= $text . ' : <a href="/' . $CategoryName . '/' . $PortName . '/';
+	$HTML .= $text . ' : <a href="/' . $CategoryName . '/' . freshports_strip_port_suffix($PortName) . '/';
 	if ($BranchName != BRANCH_HEAD) {
 	  $HTML .= '?branch=' . htmlentities($BranchName);
 	}