remove extra newline before prompt

git-svn-id: svn://svn.berlios.de/openocd/trunk@1605 b42882b7-edfa-0310-969c-e2dbd0fdcd60

src/helper/command.c

@@ -479,6 +479,8 @@ int command_run_line(command_context_t *context, char *line)
 		int reslen;
 
 		result = Jim_GetString(Jim_GetResult(interp), &reslen);
+		if (reslen>0)
+		{
 			int i;
 			char buff[256+1];
 			for (i = 0; i < reslen; i += 256)
@@ -492,6 +494,7 @@ int command_run_line(command_context_t *context, char *line)
 				LOG_USER_N("%s", buff);
 			}
 			LOG_USER_N("%s", "\n");
+		}
 		retval=ERROR_OK;
 	}
 	return retval;