Update crate o2o-macros

Author: bors

o2/o-/o2o-macros

@@ -27,3 +27,4 @@
 {"name":"o2o-macros","vers":"0.5.1","deps":[{"name":"o2o-impl","req":"^0.5.1","features":[],"optional":false,"default_features":true,"target":null,"kind":"normal"},{"name":"syn","req":"^1.0.3","features":[],"optional":true,"default_features":true,"target":null,"kind":"normal","package":"syn"},{"name":"syn2","req":"^2.0.0","features":[],"optional":true,"default_features":true,"target":null,"kind":"normal","package":"syn"}],"cksum":"6b1949429862bef2e04a11fac1ac29a779be2e720c1ba145cb5284add1b0c2a6","features":{},"features2":{"default":["syn1"],"syn1":["dep:syn","o2o-impl/syn"],"syn2":["dep:syn2","o2o-impl/syn2"]},"yanked":false,"v":2}
 {"name":"o2o-macros","vers":"0.5.2","deps":[{"name":"o2o-impl","req":"^0.5.2","features":[],"optional":false,"default_features":true,"target":null,"kind":"normal"},{"name":"syn","req":"^1.0.3","features":[],"optional":true,"default_features":true,"target":null,"kind":"normal","package":"syn"},{"name":"syn2","req":"^2.0.0","features":[],"optional":true,"default_features":true,"target":null,"kind":"normal","package":"syn"}],"cksum":"21a83a16ad8d1b1d8f7b7b3bcba97fe49eecb9d44735027b73cc1f1e0ecb06e8","features":{},"features2":{"default":["syn1"],"syn1":["dep:syn","o2o-impl/syn"],"syn2":["dep:syn2","o2o-impl/syn2"]},"yanked":false,"v":2}
 {"name":"o2o-macros","vers":"0.5.3","deps":[{"name":"o2o-impl","req":"^0.5.3","features":[],"optional":false,"default_features":false,"target":null,"kind":"normal"},{"name":"syn","req":"^1.0.3","features":[],"optional":true,"default_features":true,"target":null,"kind":"normal","package":"syn"},{"name":"syn2","req":"^2.0.0","features":[],"optional":true,"default_features":true,"target":null,"kind":"normal","package":"syn"}],"cksum":"e358cd6b3b5a87a691ed55528323b9699f14667435ee181f5fd84c14126383dc","features":{},"features2":{"default":["syn1"],"syn1":["dep:syn","o2o-impl/syn"],"syn2":["dep:syn2","o2o-impl/syn2"]},"yanked":false,"v":2}
+{"name":"o2o-macros","vers":"0.5.4","deps":[{"name":"o2o-impl","req":"^0.5.4","features":[],"optional":false,"default_features":false,"target":null,"kind":"normal"},{"name":"syn","req":"^1.0.3","features":[],"optional":true,"default_features":true,"target":null,"kind":"normal","package":"syn"},{"name":"syn2","req":"^2.0.0","features":[],"optional":true,"default_features":true,"target":null,"kind":"normal","package":"syn"}],"cksum":"9f92f47081db11ff79cb540118af9e4673ee8a625f43014785f570a6738fd004","features":{},"features2":{"default":["syn1"],"syn1":["dep:syn","o2o-impl/syn"],"syn2":["dep:syn2","o2o-impl/syn2"]},"yanked":false,"v":2}