Fix a null pointer issue

Author: arunjose696

bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/graphics/GC.java

@@ -1302,7 +1302,7 @@ private void drawImage(Image srcImage, int srcX, int srcY, int srcWidth, int src
 	if (data.gdipGraphics != 0) {
 		//TODO - cache bitmap
 		long [] gdipImage = srcImage.createGdipImageFromHandle(tempImageHandle);
-		long img = gdipImage[0];
+`		long img = gdipImage[0];
 		int imgWidth = Gdip.Image_GetWidth(img);
 		int imgHeight = Gdip.Image_GetHeight(img);