Fix build breakage on aarch64 due to stale syscall refs

References to the syscall crate's relibc branch broke builds of ion for
aarch64. AArch64 syscalls were added at a later point in time to the
master branch of the syscall crate. Fix things by changing the refs to
use the master branch instead.

Cargo.toml

@@ -66,4 +66,4 @@ panic = "abort"
 [patch.crates-io]
 termion = { git = "https://gitlab.redox-os.org/redox-os/termion" }
 liner = { git = "https://gitlab.redox-os.org/redox-os/liner" }
-redox_syscall = { git = "https://gitlab.redox-os.org/redox-os/syscall.git", branch = "relibc" }
+redox_syscall = { git = "https://gitlab.redox-os.org/redox-os/syscall.git" }

members/sys/Cargo.toml

@@ -11,7 +11,7 @@ libc = "0.2"
 users = "0.8.1"
 
 [target."cfg(target_os = \"redox\")".dependencies]
-redox_syscall = { git = "https://gitlab.redox-os.org/redox-os/syscall.git", branch = "relibc" }
+redox_syscall = { git = "https://gitlab.redox-os.org/redox-os/syscall.git" }
 
 
 [target."cfg(target_os = \"dragonfly\")".dependencies]