app_server: fix order of initialization

GCC 13 warns that the a pointer is taken from a member that according to the
rules is not yet initialized. Fix the declaration and order of initialization
to prevent us depending on undefined behavior.

Change-Id: Iab4644c33a3a286e083450da0b3575acfe284f29
Reviewed-on: https://review.haiku-os.org/c/haiku/+/6650
Reviewed-by: waddlesplash <waddlesplash@gmail.com>

src/servers/app/drawing/Painter/Painter.cpp

@@ -204,7 +204,6 @@ private:
 
 Painter::Painter()
 	:
-	fInternal(fPatternHandler),
 	fSubpixelPrecise(false),
 	fValidClipping(false),
 	fAttached(false),
@@ -221,7 +220,8 @@ Painter::Painter()
 	fPatternHandler(),
 	fTextRenderer(fSubpixRenderer, fRenderer, fRendererBin, fUnpackedScanline,
 		fSubpixUnpackedScanline, fSubpixRasterizer, fMaskedUnpackedScanline,
-		fTransform)
+		fTransform),
+	fInternal(fPatternHandler)
 {
 	fPixelFormat.SetDrawingMode(fDrawingMode, fAlphaSrcMode, fAlphaFncMode);
 

src/servers/app/drawing/Painter/Painter.h

@@ -331,8 +331,6 @@ private:
 	friend class BitmapPainter; // needed only for gcc2
 
 private:
-	mutable	PainterAggInterface	fInternal;
-
 	// for internal coordinate rounding/transformation
 			bool				fSubpixelPrecise : 1;
 			bool				fValidClipping : 1;
@@ -355,6 +353,8 @@ private:
 	// it is setup to load from a specific Freetype supported
 	// font file which it gets from ServerFont
 	mutable	AGGTextRenderer		fTextRenderer;
+
+	mutable	PainterAggInterface	fInternal;
 };