Bump core_arch to the latest version

gnzlbg · gnzlbg · commit d4ac55c3eedc · 2019-02-18T20:02:02.000+01:00
diff --git a/Cargo.toml b/Cargo.toml
@@ -22,7 +22,7 @@ maintenance = { status = "experimental" }
 
 [dependencies]
 cfg-if = "^0.1"
-core_arch = { version = "^0.1.3", optional = true }
+core_arch = { version = "^0.1.4", optional = true }
 
 [features]
 default = []
