This fixes some harmless warnings on HURD.
---
As 0 is also a null pointer in C (actually NULL may and
actually is on some platforms just 0), there can be no
advantage of assigning NULL there on unknown platforms.
Additionally all the other widgets already assign 0 there.
diff --git a/gv/src/FileSel.c b/gv/src/FileSel.c
index 24af77b..48c2098 100644
--- a/gv/src/FileSel.c
+++ b/gv/src/FileSel.c
@@ -386,15 +386,9 @@ FileSelectionClassRec file_selectionClassRec = {
/* resources */ resources,
/* resource_count */ XtNumber(resources),
/* xrm_class */ NULLQUARK,
-#if defined(linux) || defined(SYSV) || defined(SVR4)
/* compress_motion */ 0,
/* compress_exposure */ 0,
/* compress_enterleave*/ 0,
-#else
- /* compress_motion */ NULL,
- /* compress_exposure */ NULL,
- /* compress_enterleave*/ NULL,
-#endif
/* visible_interest */ FALSE,
/* destroy */ Destroy,
/* resize */ XtInheritResize,
