Snippets for podofo 1.1.2 from Nix aarch64-linux

Sourced from https://hydra.nixos.org/log/nhczz7zxmvh0865xnz7nza3wmabsy1jm-podofo-1.1.2.drv.

• /build/source/src/podofo/private/XMPUtils.cpp:1184:36: warning: cast from type 'const std::unordered_map<std::basic_string_view<char>, bool>*' to type 'void*' casts away qualifiers [-Wcast-qual]
   1184 |             xpctx->varLookupData = (void*)&vars;
        |                                    ^~~~~~~~~~~~
  

• /build/source/src/podofo/main/PdfContentStreamReader.cpp:606:71: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
    606 |     return reinterpret_cast<const shared_ptr<const PdfXObject>&>(Data.XObject);
        |                                                                  ~~~~~^~~~~~~
  

• /build/source/src/podofo/main/PdfImage.cpp:1095:32: warning: cast from type 'const unsigned char*' to type 'png_bytep' {aka 'unsigned char*'} casts away qualifiers [-Wcast-qual]
   1095 |     if (len < 8 || png_sig_cmp((png_bytep)data, 0, 8))
        |                                ^~~~~~~~~~~~~~~
  

• /build/source/src/podofo/main/PdfSignerCms.h:40:23: warning: 'PoDoFo::PdfSignerCmsParams::Encryption' is deprecated: Encryption should be automatically detected from the public key in the certificate [-Wdeprecated-declarations]
     40 |     struct PODOFO_API PdfSignerCmsParams final
        |                       ^~~~~~~~~~~~~~~~~~
  

• /build/source/test/unit/PainterTest.cpp:218:7: warning: extra tokens at end of '#else' directive [-Wendif-labels]
    218 | #else PODOFO_ENABLE_AFDKO
        |       ^~~~~~~~~~~~~~~~~~~
  

• /build/source/test/unit/ParserTest.cpp:2703:17: warning: variable 'strSelfLoop' set but not used [-Wunused-but-set-variable]
   2703 |     string_view strSelfLoop = R"(%PDF-1.0
        |                 ^~~~~~~~~~~