Include CanonFlashInfo (somehow missing after cherry-picking)

src/canonmn_int.cpp

@@ -533,7 +533,7 @@ namespace Exiv2 {
         {0x0000, "0x0000", "0x0000", N_("Unknown"), canonId, makerTags, unsignedShort, -1, printValue},
         {0x0001, "CameraSettings", N_("Camera Settings"), N_("Various camera settings"), canonId, makerTags, unsignedShort, -1, printValue},
         {0x0002, "FocalLength", N_("Focal Length"), N_("Focal length"), canonId, makerTags, unsignedShort, -1, printFocalLength},
-        {0x0003, "0x0003", "0x0003", N_("Unknown"), canonId, makerTags, unsignedShort, -1, printValue},
+        {0x0003, "CanonFlashInfo", "Canon Flash Info", N_("Canon Flash Info"), canonId, makerTags, unsignedShort, -1, printValue},
         {0x0004, "ShotInfo", N_("Shot Info"), N_("Shot information"), canonId, makerTags, unsignedShort, -1, printValue},
         {0x0005, "Panorama", N_("Panorama"), N_("Panorama"), canonId, makerTags, unsignedShort, -1, printValue},
         {0x0006, "ImageType", N_("Image Type"), N_("Image type"), canonId, makerTags, asciiString, -1, printValue},

test/data/test_reference_files/exiv2-test.out

@@ -1145,7 +1145,7 @@ File  6/16: 20030925_201850.jpg
 20030925_201850.jpg   Exif.CanonCs.0x002c                          Short       1  65535
 20030925_201850.jpg   Exif.CanonCs.0x002d                          Short       1  65535
 20030925_201850.jpg   Exif.Canon.FocalLength                       Short       4  18.0 mm
-20030925_201850.jpg   Exif.Canon.0x0003                            Short       4  100 0 0 0
+20030925_201850.jpg   Exif.Canon.CanonFlashInfo                    Short       4  100 0 0 0
 20030925_201850.jpg   Exif.CanonSi.0x0000                          Short       1  66
 20030925_201850.jpg   Exif.CanonSi.AutoISO                         Short       1  100
 20030925_201850.jpg   Exif.CanonSi.ISOSpeed                        Short       1  100