Update types for FreeBSD 12

The types for time_t and suseconds_t should be long and not int.

Complementary of 4ba53c5

Related to ffi#544 and ffi#627

lib/ffi/platform/x86_64-freebsd12/types.conf

@@ -37,7 +37,7 @@ rbx.platform.typedef.__off_t = long_long
 rbx.platform.typedef.__ptrdiff_t = long
 rbx.platform.typedef.__size_t = ulong
 rbx.platform.typedef.__ssize_t = long
-rbx.platform.typedef.__time_t = int
+rbx.platform.typedef.__time_t = long
 rbx.platform.typedef.__timer_t = int
 rbx.platform.typedef.__wchar_t = int
 rbx.platform.typedef.__wint_t = int
@@ -63,7 +63,7 @@ rbx.platform.typedef.__socklen_t = uint
 rbx.platform.typedef.__swblk_t = int
 rbx.platform.typedef.__uid_t = uint
 rbx.platform.typedef.__useconds_t = uint
-rbx.platform.typedef.__suseconds_t = int
+rbx.platform.typedef.__suseconds_t = long
 rbx.platform.typedef.u_char = uchar
 rbx.platform.typedef.u_short = ushort
 rbx.platform.typedef.u_int = uint
@@ -113,7 +113,7 @@ rbx.platform.typedef.segsz_t = int
 rbx.platform.typedef.swblk_t = int
 rbx.platform.typedef.uid_t = uint
 rbx.platform.typedef.useconds_t = uint
-rbx.platform.typedef.suseconds_t = int
+rbx.platform.typedef.suseconds_t = long
 rbx.platform.typedef.in_addr_t = uint
 rbx.platform.typedef.in_port_t = ushort
 rbx.platform.typedef.sa_family_t = uchar
@@ -122,7 +122,7 @@ rbx.platform.typedef.clock_t = int
 rbx.platform.typedef.clockid_t = int
 rbx.platform.typedef.size_t = ulong
 rbx.platform.typedef.ssize_t = long
-rbx.platform.typedef.time_t = int
+rbx.platform.typedef.time_t = long
 rbx.platform.typedef.timer_t = int
 rbx.platform.typedef.off_t = long_long
 rbx.platform.typedef.__fd_mask = int