nsis: don't skip the components page until we were able to save user choices

This change will make the transition easier between the previously released
installer (that doesn't remember user choices) and this one. Without it the
old installer would fall back to the "Recommended" preset.

extras/package/win32/NSIS/vlc.win32.nsi.in

@@ -749,9 +749,17 @@ Function PageFastUpdatePre
 FunctionEnd
 
 Function PageComponentsPre
+  ClearErrors
+  ReadRegStr $0 ${MEMENTO_REGISTRY_ROOT} `${MEMENTO_REGISTRY_KEY}` MementoSectionUsed
+  ; Backward compatibility:
+  ; Don't skip the components page until Memento was able to save the user choices.
+  IfErrors done
+
   ${If} $ReinstallType == 1
     Abort
   ${EndIf}
+
+done:
 FunctionEnd
 
 Function PageDirectoryPre