Compile warnings from gexiv2
Building tracker-miners from Git on Fedora 36, many warnings about libgexiv2 appear:
324/534] Compiling C object src/tracker-extract/libextract-raw.so.p/tracker-extract-raw.c.o
../src/tracker-extract/tracker-extract-raw.c: In function ‘parse_exif_data’:
../src/tracker-extract/tracker-extract-raw.c:249:9: warning: ‘gexiv2_metadata_get_tag_string’ is deprecated: Use 'gexiv2_metadata_try_get_tag_string' instead [-Wdeprecated-declarations]
249 | ed->document_name = gexiv2_metadata_get_tag_string (metadata, "Exif.Image.DocumentName");
| ^~
In file included from /usr/include/gexiv2/gexiv2.h:13,
from ../src/tracker-extract/tracker-extract-raw.c:24:
/usr/include/gexiv2/gexiv2-metadata.h:714:25: note: declared here
714 | gchar* gexiv2_metadata_get_tag_string (GExiv2Metadata *self, const gchar* tag);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Hopefully we can bump the minimum required gexiv2 version and use the new APIs to silence these warnings.