removed some unused var warnings

.project

@@ -1,4 +1,4 @@
-<?XL version="1.0" encoding="UTF-8"?>
+<?xml version="1.0" encoding="UTF-8"?>
 <projectDescription>
 	<name>sc_usb_audio</name>
 	<comment></comment>
@@ -17,10 +17,6 @@
 					<key>org.eclipse.cdt.make.core.append_environment</key>
 					<value>true</value>
 				</dictionary>
-				<dictionary>
-					<key>org.eclipse.cdt.make.core.autoBuildTarget</key>
-					<value>all</value>
-				</dictionary>
 				<dictionary>
 					<key>org.eclipse.cdt.make.core.buildArguments</key>
 					<value>-f Makefile</value>
@@ -53,10 +49,6 @@
 					<key>org.eclipse.cdt.make.core.enableFullBuild</key>
 					<value>true</value>
 				</dictionary>
-				<dictionary>
-					<key>org.eclipse.cdt.make.core.fullBuildTarget</key>
-					<value>all</value>
-				</dictionary>
 				<dictionary>
 					<key>org.eclipse.cdt.make.core.stopOnError</key>
 					<value>true</value>

module_usb_audio/usb_buffer/usb_buffer.xc

@@ -152,8 +152,6 @@ void buffer(register chanend c_aud_out, register chanend c_aud_in, chanend c_aud
     int midi_data_remaining_to_device = 0;
     int midi_data_collected_from_device = 0;
     int midi_waiting_on_send_to_host = 0;
-    int midi_to_host_flag = 0;
-    int midi_from_host_flag = 0;
 #endif
 
     xc_ptr p_inZeroBuff = array_to_xc_ptr(inZeroBuff);