Qt4: fix the 'qpluginwidget' test

Fixes #1015.

qt4/run/qpluginwidget.run

@@ -112,6 +112,8 @@ set boot_modules {
 	libc_lock_pipe.lib.so
 	libm.lib.so
 	libpng.lib.so
+	libssl.lib.so
+	libcrypto.lib.so
 	jpeg.lib.so
 	qt_core.lib.so
 	qt_gui.lib.so

qt4/src/test/qpluginwidget/config.plugin

@@ -2,6 +2,7 @@
 	<parent-provides>
 		<service name="LOG"/>
 		<service name="Timer"/>
+		<service name="SIGNAL"/>
 		<service name="Nitpicker"/>
 	</parent-provides>
 	<default-route>