mshtml: Use proper constants as HRESULT return values.

dlls/mshtml/htmlimg.c

@@ -291,7 +291,7 @@ static HRESULT WINAPI HTMLImgElement_put_src(IHTMLImgElement *iface, BSTR v)
     if(NS_FAILED(nsres))
         ERR("SetSrc failed: %08x\n", nsres);
 
-    return NS_OK;
+    return S_OK;
 }
 
 static HRESULT WINAPI HTMLImgElement_get_src(IHTMLImgElement *iface, BSTR *p)

dlls/mshtml/htmlnode.c

@@ -1167,10 +1167,10 @@ HRESULT HTMLDOMNode_QI(HTMLDOMNode *This, REFIID riid, void **ppv)
         *ppv = &This->IHTMLDOMNode2_iface;
     }else if(IsEqualGUID(&IID_nsXPCOMCycleCollectionParticipant, riid)) {
         *ppv = &node_ccp;
-        return NS_OK;
+        return S_OK;
     }else if(IsEqualGUID(&IID_nsCycleCollectionISupports, riid)) {
         *ppv = &This->IHTMLDOMNode_iface;
-        return NS_OK;
+        return S_OK;
     }else if(dispex_query_interface(&This->event_target.dispex, riid, ppv)) {
         return *ppv ? S_OK : E_NOINTERFACE;
     }else {

dlls/mshtml/htmlstyle.c

@@ -494,7 +494,7 @@ static HRESULT get_nsstyle_attr_nsval(nsIDOMCSSStyleDeclaration *nsstyle, stylei
 
     nsAString_Finish(&str_name);
 
-    return NS_OK;
+    return S_OK;
 }
 
 static HRESULT nsstyle_to_bstr(const WCHAR *val, DWORD flags, BSTR *p)

dlls/mshtml/htmlwindow.c

@@ -458,7 +458,7 @@ HRESULT get_frame_by_name(HTMLOuterWindow *This, const WCHAR *name, BOOL deep, H
         return hres;
 
     *ret = window;
-    return NS_OK;
+    return S_OK;
 }
 
 static HRESULT WINAPI HTMLWindow2_item(IHTMLWindow2 *iface, VARIANT *pvarIndex, VARIANT *pvarResult)

dlls/mshtml/ifacewrap.c

@@ -59,7 +59,7 @@ static HRESULT WINAPI wrapper_QueryInterface(IUnknown *iface, REFIID riid, void
     return IUnknown_QueryInterface(This->ref_unk, riid, ppv);
 }
 
-static HRESULT WINAPI wrapper_AddRef(IUnknown *iface)
+static ULONG WINAPI wrapper_AddRef(IUnknown *iface)
 {
     iface_wrapper_t *This = impl_from_IUnknown(iface);
     LONG ref = InterlockedIncrement(&This->ref);
@@ -69,7 +69,7 @@ static HRESULT WINAPI wrapper_AddRef(IUnknown *iface)
     return ref;
 }
 
-static HRESULT WINAPI wrapper_Release(IUnknown *iface)
+static ULONG WINAPI wrapper_Release(IUnknown *iface)
 {
     iface_wrapper_t *This = impl_from_IUnknown(iface);
     LONG ref = InterlockedDecrement(&This->ref);

dlls/mshtml/main.c

@@ -382,7 +382,7 @@ HRESULT WINAPI RunHTMLApplication( HINSTANCE hinst, HINSTANCE hPrevInst,
                                LPSTR szCmdLine, INT nCmdShow )
 {
     FIXME("%p %p %s %d\n", hinst, hPrevInst, debugstr_a(szCmdLine), nCmdShow );
-    return 0;
+    return S_OK;
 }
 
 /***********************************************************************