vncserver: extract CreateDotVncDir()

unix/vncserver

@@ -76,11 +76,7 @@ chop($host = `uname -n`);
 &CheckGeometryAndDepth();
 
 # Create the user's vnc directory if necessary.
-if (!(-e $vncUserDir)) {
+&CreateDotVncDir();
-    if (!mkdir($vncUserDir,0755)) {
-	die "$prog: Could not create $vncUserDir.\n";
-    }
-}
 
 $selectDeCmd = "builder/startup/deb/select-de.sh";
 if (!$skipxstartup) {
@@ -947,3 +943,11 @@ sub ProcessCliOptions {
       $fpArgSpecified = 1;
    }
 }
+
+sub CreateDotVncDir {
+   if (!(-e $vncUserDir)) {
+      if (!mkdir($vncUserDir,0755)) {
+         die "$prog: Could not create $vncUserDir.\n";
+      }
+   }
+}