[gjs] arg: Use default c++ type names to figure out the array size

[Philip Chimento <pchimento src gnome org>]

commit 32ae03786d7ed90ea5008059b3cce756b4b2c5bc
Author: Marco Trevisan (Treviño) <mail 3v1n0 net>
Date:   Thu May 14 00:05:09 2020 +0200

    arg: Use default c++ type names to figure out the array size

 gi/arg.cpp | 30 +++++++++++++++---------------
 1 file changed, 15 insertions(+), 15 deletions(-)
---
diff --git a/gi/arg.cpp b/gi/arg.cpp
index 230bf898..11655bf5 100644
--- a/gi/arg.cpp
+++ b/gi/arg.cpp
@@ -1364,30 +1364,30 @@ gjs_g_array_new_for_type(JSContext    *context,
         element_size = sizeof(gboolean);
         break;
     case GI_TYPE_TAG_UNICHAR:
-        element_size = sizeof(gunichar);
+        element_size = sizeof(char32_t);
         break;
     case GI_TYPE_TAG_UINT8:
     case GI_TYPE_TAG_INT8:
-      element_size = sizeof(guint8);
-      break;
+        element_size = sizeof(uint8_t);
+        break;
     case GI_TYPE_TAG_UINT16:
     case GI_TYPE_TAG_INT16:
-      element_size = sizeof(guint16);
-      break;
+        element_size = sizeof(uint16_t);
+        break;
     case GI_TYPE_TAG_UINT32:
     case GI_TYPE_TAG_INT32:
-      element_size = sizeof(guint32);
-      break;
+        element_size = sizeof(uint32_t);
+        break;
     case GI_TYPE_TAG_UINT64:
     case GI_TYPE_TAG_INT64:
-      element_size = sizeof(guint64);
-      break;
+        element_size = sizeof(uint64_t);
+        break;
     case GI_TYPE_TAG_FLOAT:
-      element_size = sizeof(gfloat);
-      break;
+        element_size = sizeof(float);
+        break;
     case GI_TYPE_TAG_DOUBLE:
-      element_size = sizeof(gdouble);
-      break;
+        element_size = sizeof(double);
+        break;
     case GI_TYPE_TAG_GTYPE:
       element_size = sizeof(GType);
       break;
@@ -1399,8 +1399,8 @@ gjs_g_array_new_for_type(JSContext    *context,
     case GI_TYPE_TAG_GSLIST:
     case GI_TYPE_TAG_GHASH:
     case GI_TYPE_TAG_ERROR:
-      element_size = sizeof(gpointer);
-      break;
+        element_size = sizeof(void*);
+        break;
     case GI_TYPE_TAG_VOID:
     default:
         gjs_throw(context,