avoid 'struct dset'

doesn't work if -DUSE_TYPED_DSET

modules/database/src/ioc/dbStatic/dbBase.h

@@ -19,6 +19,7 @@
 #include "ellLib.h"
 #include "dbDefs.h"
 #include "recSup.h"
+#include "devSup.h"
 
 typedef struct dbMenu {
 	ELLNODE		node;
@@ -40,7 +41,7 @@ typedef struct devSup {
 	char		*choice;
 	int		link_type;
 	/*Following only available on run time system*/
-	struct dset	*pdset;
+    dset	*pdset;
 	struct dsxt	*pdsxt;       /* Extended device support */
 }devSup;
 

modules/database/src/ioc/dbStatic/devSup.h

@@ -153,6 +153,9 @@ typedef struct dset {   /* device support entry table */
 typedef typed_dset dset;
 #endif /* USE_TYPED_DSET */
 
+/* exists only to disambiguate  dset dbCommon::dset */
+typedef dset unambiguous_dset;
+
 /** Fetch INP or OUT link (or NULL if record type has neither).
  *
  * Recommended for use in device support init_record()