Make bots happy

Fixes https://github.com/behdad/harfbuzz/issues/551

test/shaping/tests/indic-syllable.tests

 fonts/sha1sum/54674a3111d209fb6be0ed31745314b7a8d2c244.ttf::U+0BA4,U+0BCD,U+00B3:[taprehalftamil=0+1509|uni00B3=2+674]
 fonts/sha1sum/3d0b77a2360aa6faa1385aaa510509ab70dfbeff.ttf::U+0CF1:[gid1=0+1129]
 fonts/sha1sum/3d0b77a2360aa6faa1385aaa510509ab70dfbeff.ttf::U+0CF2:[gid2=0+1539]
-fonts/sha1sum/87f85d17d26f1fe9ad28d7365101958edaefb967.ttf::U+0980,U+0981:[anjibeng=0+520|candrabindubeng=0+0]
+fonts/sha1sum/87f85d17d26f1fe9ad28d7365101958edaefb967.ttf:--font-funcs=ot:U+0980,U+0981:[gid1=0+520|gid2=0+0]
 fonts/sha1sum/85fe0be440c64ac77699e21c2f1bd933a919167e.ttf::U+0A15,U+0A51,U+0A47:[kaguru=0+1273|udaatguru=0@75,0+0|eematraguru=0@-40,0+0]
 fonts/sha1sum/1735326da89f0818cd8c51a0600e9789812c0f94.ttf::U+0A51:[uni25CC=0+1044|udaatguru=0+0]
 fonts/sha1sum/1735326da89f0818cd8c51a0600e9789812c0f94.ttf::U+25CC,U+0A51:[uni25CC=0+1044|udaatguru=0+0]