Added comment to debugger exit with error

libsrc/common/_afailed.c

@@ -10,7 +10,7 @@
 #include <signal.h>
 #include <stdio.h>
 #include <stdlib.h>
-
+#include <cc65.h>
 
 
 void __fastcall__ _afailed (char* file, unsigned line)

libsrc/common/abort.c

@@ -9,7 +9,7 @@
 #include <stdio.h>
 #include <stdlib.h> 
 #include <signal.h>
-
+#include <cc65.h>
 
 
 void abort (void)