convert various vcl system fields from unsigned long -> sal_uInt32

Change-Id: Iaa08ecb3a9a17f384267f2b685a4b672277db1ca
Reviewed-on: https://gerrit.libreoffice.org/44317Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

include/vcl/sysdata.hxx

@@ -52,7 +52,7 @@ typedef struct CGContext *CGContextRef;
 
 struct SystemEnvData
 {
-    unsigned long       nSize;          // size in bytes of this structure
+    sal_uInt32          nSize;          // size in bytes of this structure
 #if defined(_WIN32)
     HWND                hWnd;           // the window hwnd
 #elif defined( MACOSX )
@@ -100,7 +100,7 @@ struct SystemEnvData
 
 struct SystemParentData
 {
-    unsigned long   nSize;            // size in bytes of this structure
+    sal_uInt32      nSize;            // size in bytes of this structure
 #if defined(_WIN32)
     HWND            hWnd;             // the window hwnd
 #elif defined( MACOSX )
@@ -127,7 +127,7 @@ struct SystemMenuData
 
 struct SystemGraphicsData
 {
-    unsigned long   nSize;          // size in bytes of this structure
+    sal_uInt32      nSize;          // size in bytes of this structure
 #if defined(_WIN32)
     HDC             hDC;            // handle to a device context
     HWND            hWnd;           // optional handle to a window
@@ -182,7 +182,7 @@ struct SystemWindowData
 
 struct SystemGlyphData
 {
-    unsigned long        index;
+    sal_uInt32           index;
     double               x;
     double               y;
     int                  fallbacklevel;

vcl/source/outdev/text.cxx

@@ -2339,7 +2339,7 @@ SystemTextLayoutData OutputDevice::GetSysTextLayoutData(const Point& rStartPt, c
     while (pLayout->GetNextGlyphs(1, &pGlyph, aPos, nStart))
     {
         SystemGlyphData aSystemGlyph;
-        aSystemGlyph.index = static_cast<unsigned long> (pGlyph->maGlyphId);
+        aSystemGlyph.index = pGlyph->maGlyphId;
         aSystemGlyph.x = aPos.X();
         aSystemGlyph.y = aPos.Y();
         int nLevel = pGlyph->mnFallbackLevel;