fix assumption about std handles in os2/file.odin

core/os/os2/file.odin

@@ -45,11 +45,9 @@ O_TRUNC   :: File_Flags{.Trunc}
 O_SPARSE  :: File_Flags{.Sparse}
 O_CLOEXEC :: File_Flags{.Close_On_Exec}
 
-
-stdin:  ^File = &_stdin
-stdout: ^File = &_stdout
-stderr: ^File = &_stderr
-
+stdin:  ^File = nil // OS-Specific
+stdout: ^File = nil // OS-Specific
+stderr: ^File = nil // OS-Specific
 
 @(require_results)
 create :: proc(name: string) -> (^File, Error) {

core/os/os2/file_linux.odin

@@ -49,6 +49,10 @@ _standard_stream_init :: proc() {
 	_stdin.stream.data = &_stdin
 	_stdout.stream.data = &_stdout
 	_stderr.stream.data = &_stderr
+
+	stdin  = &_stdin
+	stdout = &_stdout
+	stderr = &_stderr
 }
 
 _file_allocator :: proc() -> runtime.Allocator {