Merge commit '4c61b7d3c3eb8d474ab54a2221eeb1a059dcd67d' into libraw-copylib

Upgrade LibRaw to snapshot 202403.

rtengine/libraw/RawSpeed3/README.md

@@ -19,6 +19,7 @@ They are extremely reluctant to accept 3rd-party patches to this library, theref
   * **02.Makernotes-processing.patch** - fixes an error in processing the Makernotes tag.
   * **03.remove-limits-and-logging.patch** - removes debug printing and file size limits. This patch is optional, but if you are going to decode files from cameras that were not available at the time a particular version of RawSpeed was created, then this patch can be useful.
   * **04.clang-cl-compatibility.patch -** fixes for compatibility with Microsoft C++ library.
+  * **05.no-phase-one-correction.patch -** disables RawSpeed's PhaseOne flat field correction because LibRaw implements own
 
 ## Building the RawSpeed-v3 library
 

rtengine/libraw/RawSpeed3/patches/05.no-phase-one-correction.patch

@@ -0,0 +1,16 @@
+diff --git a/src/librawspeed/decoders/IiqDecoder.cpp b/src/librawspeed/decoders/IiqDecoder.cpp
+index 61b04e1a..b6113679 100644
+--- a/src/librawspeed/decoders/IiqDecoder.cpp
++++ b/src/librawspeed/decoders/IiqDecoder.cpp
+@@ -212,9 +212,10 @@ RawImage IiqDecoder::decodeRawInternal() {
+   PhaseOneDecompressor p(mRaw, std::move(strips));
+   mRaw->createData();
+   p.decompress();
+-
++#if 0
+   if (correction_meta_data.getSize() != 0 && iiq)
+     CorrectPhaseOneC(correction_meta_data, split_row, split_col);
++#endif
+ 
+   for (int i = 0; i < 3; i++)
+     mRaw->metadata.wbCoeffs[i] = wb.getFloat();