meson: try iconv in libintl lookup
Readds the iconv check originally present in the libintl lookup.
This was originally removed in !2734 (merged) but still appears to be required for some setups.
Edited by Jan Drögehoff
Readds the iconv check originally present in the libintl lookup.
This was originally removed in !2734 (merged) but still appears to be required for some setups.