* coding.c (decode_coding_iso_2022): Add "default: abort ();" as a safety check.

src/ChangeLog

@@ -52,6 +52,7 @@
 	* character.h (FETCH_STRING_CHAR_ADVANCE): Likewise.
 	* coding.c (emacs_mule_char, encode_invocation_designation):
 	Now static, since they're not used elsewhere.
+	(decode_coding_iso_2022): Add "default: abort ();" as a safety check.
 
 2011-03-06  Chong Yidong  <cyd@stupidchicken.com>
 

src/coding.c

@@ -3899,6 +3899,10 @@ decode_coding_iso_2022 (struct coding_system *coding)
 	      }
 	      continue;
 	    }
+	  break;
+
+	default:
+	  abort ();
 	}
 
       if (cmp_status->state == COMPOSING_NO