glib: Only build regex compiletests if the corresponding feature is enabled

Author: sdroege

glib/Cargo.toml

@@ -64,6 +64,10 @@ gio = ["gio-sys"]
 name = "subclass_compiletest"
 required-features = ["compiletests"]
 
+[[test]]
+name = "regex_compiletest"
+required-features = ["compiletests"]
+
 [[bench]]
 name = "gstring"
 harness = false