[psaux] Fix location and type order in initializer

`T1_FIELD_ZERO` is used to zero initialize a `T1_FieldRec`.
`T1_FIELD_ZERO` is currently initilizing `T1_FieldRec::location` with a
`T1_FieldType` and `T1_FieldRec::type` with a `T1_FieldLocation`. This
was detected with `-Wenum-conversion`.

* include/freetype/internal/psaux.h (T1_FIELD_ZERO): correct order of
initalizers

include/freetype/internal/psaux.h

@@ -363,7 +363,7 @@ FT_BEGIN_HEADER
 #define T1_FIELD_ZERO                                         \
           {                                                   \
             0,                                                \
-            NULL, T1_FIELD_TYPE_NONE, T1_FIELD_LOCATION_NONE, \
+            NULL, T1_FIELD_LOCATION_NONE, T1_FIELD_TYPE_NONE, \
             NULL, 0, 0, 0, 0, 0                               \
           }