user32: Always use 64-bit cbWndExtra for edit control.

dlls/user32/edit.c

@@ -5265,11 +5265,7 @@ const struct builtin_class_descr EDIT_builtin_class =
     L"Edit",              /* name */
     CS_DBLCLKS | CS_PARENTDC,   /* style */
     WINPROC_EDIT,         /* proc */
-#ifdef __i386__
-    sizeof(EDITSTATE *) + sizeof(WORD), /* extra */
-#else
-    sizeof(EDITSTATE *),  /* extra */
-#endif
+    sizeof(UINT64),       /* extra */
     IDC_IBEAM,            /* cursor */
     0                     /* brush */
 };

dlls/user32/tests/class.c

@@ -957,15 +957,11 @@ static const struct
 {
     const char name[9];
     int value;
-    int badvalue;
+    int value64; /* 64-bit Windows use 64-bit size also for 32-bit applications */
 } extra_values[] =
 {
     {"#32770",30,30}, /* Dialog */
-#ifdef _WIN64
-    {"Edit",8,8},
-#else
-    {"Edit",6,8},     /* Windows XP 64-bit returns 8 also to 32-bit applications */
-#endif
+    {"Edit",6,8},
 };
 
 static void test_extra_values(void)
@@ -978,7 +974,7 @@ static void test_extra_values(void)
 
         ok( ret, "GetClassInfo (0) failed for global class %s\n", extra_values[i].name);
         if (!ret) continue;
-        ok(extra_values[i].value == wcx.cbWndExtra || broken(extra_values[i].badvalue == wcx.cbWndExtra),
+        ok(extra_values[i].value == wcx.cbWndExtra || extra_values[i].value64 == wcx.cbWndExtra,
            "expected %d, got %d\n", extra_values[i].value, wcx.cbWndExtra);
     }
 }