imm32: Avoid updating INPUTCONTEXT hWnd on ImmSetActiveContext deactivation.

dlls/imm32/imm.c

@@ -852,7 +852,7 @@ BOOL WINAPI ImmSetActiveContext(HWND hwnd, HIMC himc, BOOL activate)
 
     if (data)
     {
-        data->IMC.hWnd = activate ? hwnd : NULL;
+        if (activate) data->IMC.hWnd = hwnd;
         if ((ime = imc_select_ime( data ))) ime->pImeSetActiveContext( himc, activate );
     }
 

dlls/imm32/tests/imm32.c

@@ -5314,7 +5314,7 @@ static void test_ImmSetActiveContext(void)
 
     ctx->hWnd = (HWND)0xdeadbeef;
     ok_ret( 1, ImmSetActiveContext( hwnd, himc, FALSE ) );
-    todo_wine ok_eq( (HWND)0xdeadbeef, ctx->hWnd, HWND, "%p" );
+    ok_eq( (HWND)0xdeadbeef, ctx->hWnd, HWND, "%p" );
     deactivate_2_seq[0].himc = himc;
     ok_seq( deactivate_2_seq );