Fix import

Looks like the rebase of #135 causes a compile error. This change fixes the broken import.

Author: planger

src/common/webview-context.ts

@@ -15,7 +15,8 @@
  ********************************************************************************/
 
 import { WebviewIdMessageParticipant } from 'vscode-messenger-common';
-import { Endianness, VariableMetadata } from './memory-range';
+import { Endianness } from './manifest';
+import { VariableMetadata } from './memory-range';
 import { ReadMemoryArguments } from './messaging';
 
 export interface WebviewContext {