Fixed copy and paste error in gdi/gdip demos

demo/gdi/nuklear_gdi.h

@@ -559,20 +559,20 @@ nk_gdi_handle_event(HWND wnd, UINT msg, WPARAM wparam, LPARAM lparam)
 
         case VK_HOME:
             nk_input_key(&gdi.ctx, NK_KEY_TEXT_START, down);
-            nk_input_key(&d3d11.ctx, NK_KEY_SCROLL_START, down);
+            nk_input_key(&gdi.ctx, NK_KEY_SCROLL_START, down);
             return 1;
 
         case VK_END:
             nk_input_key(&gdi.ctx, NK_KEY_TEXT_END, down);
-            nk_input_key(&d3d11.ctx, NK_KEY_SCROLL_END, down);
+            nk_input_key(&gdi.ctx, NK_KEY_SCROLL_END, down);
             return 1;
 
         case VK_NEXT:
-            nk_input_key(&d3d11.ctx, NK_KEY_SCROLL_DOWN, down);
+            nk_input_key(&gdi.ctx, NK_KEY_SCROLL_DOWN, down);
             return 1;
 
         case VK_PRIOR:
-            nk_input_key(&d3d11.ctx, NK_KEY_SCROLL_UP, down);
+            nk_input_key(&gdi.ctx, NK_KEY_SCROLL_UP, down);
             return 1;
 
         case 'C':

demo/gdip/nuklear_gdip.h

@@ -792,21 +792,21 @@ nk_gdip_handle_event(HWND wnd, UINT msg, WPARAM wparam, LPARAM lparam)
             return 1;
 
         case VK_HOME:
-            nk_input_key(&gdi.ctx, NK_KEY_TEXT_START, down);
-            nk_input_key(&d3d11.ctx, NK_KEY_SCROLL_START, down);
+            nk_input_key(&gdip.ctx, NK_KEY_TEXT_START, down);
+            nk_input_key(&gdip.ctx, NK_KEY_SCROLL_START, down);
             return 1;
 
         case VK_END:
             nk_input_key(&gdi.ctx, NK_KEY_TEXT_END, down);
-            nk_input_key(&d3d11.ctx, NK_KEY_SCROLL_END, down);
+            nk_input_key(&gdip.ctx, NK_KEY_SCROLL_END, down);
             return 1;
 
         case VK_NEXT:
-            nk_input_key(&d3d11.ctx, NK_KEY_SCROLL_DOWN, down);
+            nk_input_key(&gdip.ctx, NK_KEY_SCROLL_DOWN, down);
             return 1;
 
         case VK_PRIOR:
-            nk_input_key(&d3d11.ctx, NK_KEY_SCROLL_UP, down);
+            nk_input_key(&gdip.ctx, NK_KEY_SCROLL_UP, down);
             return 1;
 
         case 'C':