discovery saves result in struct

clean-up works now

FossilOrigin-Name: b748ddb215a807c4634de1492c35aadfd4df7054b43bf73627b3ee67b224e0aa

src/cw/cw_ktv_get_dword.c

@@ -0,0 +1,11 @@
+#include "ktv.h"
+
+uint32_t cw_ktv_get_dword(mavl_t ktv,const char *key, uint32_t def)
+{
+	cw_KTV_t * k;
+	k = cw_ktv_get(ktv,key,CW_TYPE_DWORD);
+	if (k != NULL){
+		return k->val.dword;
+	}
+	return def;
+}