1 12 merges from develop (#412)

* OESS-98 fix tools test for plugins

* sync fork

* Merge of changes from dev

* Move problem option to bottom of the list until fixed

* HDFFV-11106 - fix parsing optional args

* HDFFV-11106 add note

* grammer fix

* Whitespace after clang formatting

* Undo format version 11 changes

* Update check to working version

* Merge workflow and minor changes from develop

* Update supported platforms

* PR#3 merge from develop

* Merge gcc 10 diagnostics option from develop

* Merge #318 OSX changes from develop

* Merge serval small changes from dev

* fix typo

* Minor non-space formatting changes

* GH #386 copyright corrections for java folder

* revert because logic requires false return

* Merges from develop

#358 patches from vtk
#361 fix header guard spelling

* Remove case statement for H5I_EVENTSET

* Correct call with versioning

* Remove tabs

* Double underscore change

1 files changed, 6 insertions, 6 deletions

diff --git a/hl/tools/gif2h5/hdfgifwr.c b/hl/tools/gif2h5/hdfgifwr.c
index 333c808..8068829 100644
--- a/hl/tools/gif2h5/hdfgifwr.c
+++ b/hl/tools/gif2h5/hdfgifwr.c
@@ -152,12 +152,12 @@ hdfWriteGIF(FILE *fp, byte *pic, int ptype, int w, int h, byte *rmap, byte *gmap
     }
 
     /* Shut compiler up... */
-    ptype      = ptype;
-    rmap       = rmap;
-    gmap       = gmap;
-    bmap       = bmap;
-    numcols    = numcols;
-    colorstyle = colorstyle;
+    (void)ptype;
+    (void)rmap;
+    (void)gmap;
+    (void)bmap;
+    (void)numcols;
+    (void)colorstyle;
 
     for (i = 0; i < 256; i++) {
         pc2nc[i] = pc2ncmap[i];