Fix decoding of %c (used in BESTUTM)

Was always being decoded as 0.

.gitattributes

@@ -2,6 +2,7 @@
 * text=auto
 
 # These are unit test files and should use crlf
+regression/targets/* eol=crlf
 *.ASC text eol=crlf
 *.asc text eol=crlf
 *.txt text eol=crlf

src/decoders/oem/src/message_decoder.cpp

@@ -44,7 +44,13 @@ void MessageDecoder::InitOemFieldMaps()
     // =========================================================
     // ASCII Field Mapping
     // =========================================================
-    asciiFieldMap[CalculateBlockCrc32("c")] = SimpleAsciiMapEntry<uint32_t>();
+    asciiFieldMap[CalculateBlockCrc32("c")] = [](std::vector<FieldContainer>& vIntermediateFormat_, const BaseField* pstMessageDataType_,
+                                                 const char** ppcToken_, [[maybe_unused]] const size_t tokenLength_,
+                                                 [[maybe_unused]] JsonReader* pclMsgDb_) {
+        // TODO: check that the character is printable
+        // if (!isprint(**ppcToken_)) { throw ... }
+        vIntermediateFormat_.emplace_back(static_cast<uint32_t>(**ppcToken_), pstMessageDataType_);
+    };
     asciiFieldMap[CalculateBlockCrc32("k")] = SimpleAsciiMapEntry<float>();
     asciiFieldMap[CalculateBlockCrc32("lk")] = SimpleAsciiMapEntry<double>();