Add a failure code for debugWIRE communication failures I

happened to run into.



git-svn-id: svn://svn.savannah.nongnu.org/avrdude/trunk/avrdude@1118 81a1dc3b-b13d-400b-aceb-764788c761c2

jtag3.c

@@ -271,6 +271,10 @@ static void jtag3_prmsg(PROGRAMMER * pgm, unsigned char * data, size_t len)
 	  case RSP3_FAIL_WRONG_LENGTH:
 	    strcpy(reason, "wrong length in memory access");
 	    break;
+
+	  case RSP3_FAIL_DEBUGWIRE:
+	    strcpy(reason, "debugWIRE communication failed");
+	    break;
 	}
 	fprintf(stderr, ", reason: %s\n", reason);
       }