musl/riscv32: Define F_SETLK, F_SETLKW and fix F_GETLK

F_SETLK and F_SETLKW were not defined therefore define them
and F_GETLK value was not matching the musl port hence fixed

Author: kraj

src/unix/linux_like/linux/musl/b32/riscv32/mod.rs

@@ -323,9 +323,11 @@ pub const POLLWRBAND: ::c_short = 512;
 pub const O_ASYNC: ::c_int = 8192;
 pub const O_NDELAY: ::c_int = 2048;
 pub const EFD_NONBLOCK: ::c_int = 2048;
-pub const F_GETLK: ::c_int = 5;
-pub const F_GETOWN: ::c_int = 9;
 pub const F_SETOWN: ::c_int = 8;
+pub const F_GETOWN: ::c_int = 9;
+pub const F_GETLK: ::c_int = 12;
+pub const F_SETLK: ::c_int = 13;
+pub const F_SETLKW: ::c_int = 14;
 pub const SFD_NONBLOCK: ::c_int = 2048;
 pub const TCSANOW: ::c_int = 0;
 pub const TCSADRAIN: ::c_int = 1;