msi: Remove some dead assignments (clang).

dlls/msi/appsearch.c

@@ -460,7 +460,7 @@ static UINT ACTION_AppSearchReg(MSIPACKAGE *package, LPWSTR *appValue, MSISIGNAT
     switch (type & 0x0f)
     {
     case msidbLocatorTypeDirectory:
-        rc = ACTION_SearchDirectory(package, sig, ptr, 0, appValue);
+        ACTION_SearchDirectory(package, sig, ptr, 0, appValue);
         break;
     case msidbLocatorTypeFileName:
         *appValue = app_search_file(ptr, sig);
@@ -481,7 +481,6 @@ end:
     msi_free( deformatted );
 
     msiobj_release(&row->hdr);
-
     return ERROR_SUCCESS;
 }
 
@@ -961,7 +960,7 @@ static UINT ACTION_AppSearchDr(MSIPACKAGE *package, LPWSTR *appValue, MSISIGNATU
     {
         MSISIGNATURE parentSig;
 
-        rc = ACTION_AppSearchSigName(package, parentName, &parentSig, &parent);
+        ACTION_AppSearchSigName(package, parentName, &parentSig, &parent);
         ACTION_FreeSignature(&parentSig);
         if (!parent)
         {

dlls/msi/dialog.c

@@ -2467,12 +2467,11 @@ MSISelectionTree_WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
         tvhti.pt.y = (short)HIWORD( lParam );
         tvhti.flags = 0;
         tvhti.hItem = 0;
-        r = CallWindowProcW(info->oldproc, hWnd, TVM_HITTEST, 0, (LPARAM) &tvhti );
+        CallWindowProcW(info->oldproc, hWnd, TVM_HITTEST, 0, (LPARAM) &tvhti );
         if (tvhti.flags & TVHT_ONITEMSTATEICON)
             return msi_seltree_menu( hWnd, tvhti.hItem );
         break;
     }
-
     r = CallWindowProcW(info->oldproc, hWnd, msg, wParam, lParam);
 
     switch( msg )