Hoist PATH_MAX into src/bsd it's common to all the BSDs

Author: j16r

src/unix/bsd/apple/mod.rs

@@ -571,8 +571,6 @@ pub const SO_DONTTRUNC: ::c_int = 0x2000;
 pub const SO_WANTMORE: ::c_int = 0x4000;
 pub const SO_WANTOOBFLAG: ::c_int = 0x8000;
 
-pub const PATH_MAX: ::c_int = 1024;
-
 pub const _SC_ARG_MAX: ::c_int = 1;
 pub const _SC_CHILD_MAX: ::c_int = 2;
 pub const _SC_CLK_TCK: ::c_int = 3;

src/unix/bsd/freebsdlike/mod.rs

@@ -477,8 +477,6 @@ pub const MAP_NOCORE: ::c_int = 0x020000;
 
 pub const IPPROTO_RAW: ::c_int = 255;
 
-pub const PATH_MAX: ::c_int = 1024;
-
 pub const _SC_ARG_MAX: ::c_int = 1;
 pub const _SC_CHILD_MAX: ::c_int = 2;
 pub const _SC_CLK_TCK: ::c_int = 3;

src/unix/bsd/mod.rs

@@ -79,6 +79,8 @@ s! {
 pub const FIOCLEX: ::c_ulong = 0x20006601;
 pub const FIONBIO: ::c_ulong = 0x8004667e;
 
+pub const PATH_MAX: ::c_int = 1024;
+
 pub const SA_ONSTACK: ::c_int = 0x0001;
 pub const SA_SIGINFO: ::c_int = 0x0040;
 pub const SA_RESTART: ::c_int = 0x0002;

src/unix/bsd/openbsdlike/mod.rs

@@ -324,8 +324,6 @@ pub const CTL_KERN : ::c_int = 1;
 
 pub const IPPROTO_RAW : ::c_int = 255;
 
-pub const PATH_MAX: ::c_int = 1024;
-
 pub const _SC_ARG_MAX : ::c_int = 1;
 pub const _SC_CHILD_MAX : ::c_int = 2;
 pub const _SC_NGROUPS_MAX : ::c_int = 4;