ckidJUNK is a FOURCC not a TWOCC so rewrite the case statement

dlls/quartz/avisplit.c

@@ -549,6 +549,14 @@ static HRESULT AVISplitter_Sample(LPVOID iface, IMediaSample * pSample)
         else
             offset_src = 0;
 
+        switch (This->CurrentChunk.fcc)
+        {
+        case ckidJUNK:
+            /* silently ignore */
+            if (S_FALSE == AVISplitter_NextChunk(&This->CurrentChunkOffset, &This->CurrentChunk, &tStart, &tStop, pbSrcStream))
+                bMoreData = FALSE;
+            continue;
+        default:
             switch (TWOCCFromFOURCC(This->CurrentChunk.fcc))
             {
             case cktypeDIBcompressed:
@@ -563,17 +571,13 @@ static HRESULT AVISplitter_Sample(LPVOID iface, IMediaSample * pSample)
             case cktypePALchange:
                 FIXME("handle palette change\n");
                 break;
-        case ckidJUNK:
-            /* silently ignore */
-            if (S_FALSE == AVISplitter_NextChunk(&This->CurrentChunkOffset, &This->CurrentChunk, &tStart, &tStop, pbSrcStream))
-                bMoreData = FALSE;
-            continue;
             default:
                 FIXME("Skipping unknown chunk type: %s at file offset 0x%lx\n", debugstr_an((LPSTR)&This->CurrentChunk.fcc, 4), (DWORD)BYTES_FROM_MEDIATIME(This->CurrentChunkOffset));
                 if (S_FALSE == AVISplitter_NextChunk(&This->CurrentChunkOffset, &This->CurrentChunk, &tStart, &tStop, pbSrcStream))
                     bMoreData = FALSE;
                 continue;
             }
+        }
 
         streamId = StreamFromFOURCC(This->CurrentChunk.fcc);