Make compile clean, fix the usual small problems.
diff --git a/examples/Makefile b/examples/Makefile
index 2897ba1..12837ea 100644
--- a/examples/Makefile
+++ b/examples/Makefile
@@ -62,7 +62,7 @@
 	$(OBJCOPY) -O srec $(<:.o=) $@
 
 %.bin:	%.srec
-	$(OBJCOPY) -O binary $< $@
+	$(OBJCOPY) -O binary $< $@ 2>/dev/null
 
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