providers/aws: not an error if route53 record is already destroy

[GH-342]

CHANGELOG.md

@@ -51,6 +51,7 @@ BUG FIXES:
   * providers/aws: not an error when RDS instance is deleted manually. [GH-307]
   * providers/aws: Retry deleting subnet for some time while AWS eventually
       destroys dependencies. [GH-357]
+  * providers/aws: More robust destroy for route53 records. [GH-342]
 
 ## 0.2.2 (September 9, 2014)
 

builtin/providers/aws/resource_aws_route53_record.go

@@ -165,13 +165,18 @@ func resource_aws_r53_record_destroy(
 				if strings.Contains(err.Error(), "PriorRequestNotComplete") {
 					// There is some pending operation, so just retry
 					// in a bit.
-					return nil, "rejected", nil
+					return 42, "rejected", nil
 				}
 
-				return nil, "failure", err
+				if strings.Contains(err.Error(), "InvalidChangeBatch") {
+					// This means that the record is already gone.
+					return 42, "accepted", nil
+				}
+
+				return 42, "failure", err
 			}
 
-			return nil, "accepted", nil
+			return 42, "accepted", nil
 		},
 	}
 	if _, err := wait.WaitForState(); err != nil {