fpi-device: Adjust padding based on actual gpointer size

In some architectures pointer size is different. So let's adapt it to it

tests/test-fp-todv1-types.c

@@ -109,13 +109,13 @@ check_compatiblity_auto (GType old_type, GType current_type)
   type ## TODV ## major ## _ ## minor ## _ ## micro
 
 #define check_struct_size(type, major, minor, micro) \
-  g_debug ("Checking " # type " size  @ " G_STRLOC); \
+  g_debug ("Checking " # type " v" #major "." #minor "." #micro " size  @ " G_STRLOC); \
   g_assert_cmpuint (sizeof (tod_versioned_type (type, major, minor, micro)), \
                     ==, \
                     sizeof (type))
 
 #define check_struct_member(type, major, minor, micro, member) \
-  g_debug ("Checking " # type "'s " # member " offset @ " G_STRLOC); \
+  g_debug ("Checking " # type " v" #major "." #minor "." #micro "'s " # member " offset @ " G_STRLOC); \
   g_assert_cmpuint (G_STRUCT_OFFSET (tod_versioned_type (type, major, minor, micro), member), \
                     ==, \
                     G_STRUCT_OFFSET (type, member))

tests/tod-drivers/base-fpi-device.h

@@ -172,7 +172,13 @@ struct _FpIdEntryTODV1_92_0
 
   /*< private >*/
   /* padding for future expansion */
+#if GLIB_SIZEOF_VOID_P == 8
   gpointer _padding_dummy[13];
+#elif GLIB_SIZEOF_VOID_P == 4
+  gpointer _padding_dummy[11];
+#else
+  G_STATIC_ASSERT("Unexpected pointer size")
+#endif
 };
 
 typedef struct _FpIdEntryTODV1_92_0 FpIdEntryTODV1_92_0;
@@ -260,7 +266,13 @@ struct _FpDeviceClassTODV1_94_0
 
   /*< private >*/
   /* padding for future expansion */
+#if GLIB_SIZEOF_VOID_P == 8
   gpointer _padding_dummy[27];
+#elif GLIB_SIZEOF_VOID_P == 4
+  gpointer _padding_dummy[26];
+#else
+  G_STATIC_ASSERT("Unexpected pointer size")
+#endif
 };
 
 typedef struct _FpDeviceClassTODV1_94_0 FpDeviceClassTODV1_94_0;