Draw attention to the fact that WgetTest.pm is generated.

tests/ChangeLog

@@ -25,6 +25,9 @@
 	WgetTest.pm.in: Use whatever ports are available, rather than
 	hard-coded ones.
 
+	* WgetTest.pm.in: Draw more attention to the fact that
+	WgetTest.pm is a generated file.
+
 	* Test-proxied-https-auth.px: Better cleanup, so next test can
 	open the port.
 

tests/WgetTest.pm.in

@@ -1,5 +1,9 @@
 #!/usr/bin/perl -w
 
+# WARNING!
+# WgetTest.pm is a generated file! Do not edit! Edit WgetTest.pm.in
+# instead.
+
 package WgetTest;
 $VERSION = 0.01;