No .forEach(), for WASM compatibility

Author: geraintluff

src/module.ts

@@ -2345,9 +2345,11 @@ export class Module {
     let lastSegment = segments[segments.length - 1];
     let length = u32(lastSegment.offset) + lastSegment.buffer.length;
     let newBuffer = new Uint8Array(u32(length));
-    segments.forEach(segment => {
+    let k = segments.length;
+    for (let i = 0; i < k; ++i) {
+      let segment = unchecked(segments[i]);
       newBuffer.set(segment.buffer, u32(segment.offset));
-    });
+    }
     return [new MemorySegment(newBuffer, i64_new(0))];
   }