configure fixes and warning fixes

GUI/Widgets/Fl_DeviceGUI.C

@@ -222,7 +222,7 @@ void Fl_DeviceGUI::Setup(const DeviceGUIInfo& Info, bool FirstTime)
 
 bool Fl_DeviceGUI::AddConnection(int n)  		 
 { 
-	if ( n < m_PortVec.size() ) 
+	if ( n < (int)m_PortVec.size() ) 
 	{
 		m_PortVec[n]->Add();
 		m_PortVec[n]->value(1);

SpiralSound/Plugins/LADSPAPlugin/LADSPAPluginGUI.C

@@ -328,7 +328,7 @@ void LADSPAPluginGUI::SetMaker(const char *s)
 {
         // If this has got an "@" in it FLTK thinks it's a special character not an E.mail address
         int t=0;
-        for (int f=0; f<strlen (s); f++) {
+        for (unsigned int f=0; f<strlen (s); f++) {
           if (t==255) break;
           if (s[f]=='@') MakerLabelText[t++]='@';
           MakerLabelText[t++]=s[f];

configure.in

@@ -118,7 +118,6 @@ dnl Modify the output files.
 
 AC_OUTPUT(
 SpiralSound/Plugins/AmpPlugin/Makefile 
-SpiralSound/Plugins/ComplexEnvelopePlugin/Makefile
 SpiralSound/Plugins/ControllerPlugin/Makefile 
 SpiralSound/Plugins/DelayPlugin/Makefile 
 SpiralSound/Plugins/DiskWriterPlugin/Makefile
@@ -128,12 +127,10 @@ SpiralSound/Plugins/EnvFollowerPlugin/Makefile
 SpiralSound/Plugins/EnvelopePlugin/Makefile
 SpiralSound/Plugins/FilterPlugin/Makefile
 SpiralSound/Plugins/JackPlugin/Makefile
-SpiralSound/Plugins/JoystickPlugin/Makefile
 SpiralSound/Plugins/KeyboardPlugin/Makefile
 SpiralSound/Plugins/LADSPAPlugin/Makefile
 SpiralSound/Plugins/LFOPlugin/Makefile
 SpiralSound/Plugins/MatrixPlugin/Makefile
-SpiralSound/Plugins/MeterPlugin/Makefile
 SpiralSound/Plugins/MidiPlugin/Makefile
 SpiralSound/Plugins/MixerPlugin/Makefile
 SpiralSound/Plugins/MoogFilterPlugin/Makefile
@@ -144,7 +141,6 @@ SpiralSound/Plugins/PoshSamplerPlugin/Makefile
 SpiralSound/Plugins/RingModPlugin/Makefile
 SpiralSound/Plugins/SVFilterPlugin/Makefile
 SpiralSound/Plugins/SampleHoldPlugin/Makefile
-SpiralSound/Plugins/SeqPlugin/Makefile
 SpiralSound/Plugins/SeqSelectorPlugin/Makefile
 SpiralSound/Plugins/SmoothPlugin/Makefile
 SpiralSound/Plugins/SpiralLoopPlugin/Makefile