Change branch specification

Author: JohnTitor

libc-test/Cargo.toml

@@ -11,7 +11,7 @@ default-features = false
 [build-dependencies]
 cc = "1.0"
 # FIXME: Use fork ctest until the maintainer gets back.
-ctest = { git = "https://github.com/JohnTitor/ctest.git", branch = "master" }
+ctest = { git = "https://github.com/JohnTitor/ctest.git", branch = "old-ctest" }
 
 [features]
 default = [ "std" ]