(hashtabnew): check for NULL before setting structure.

Coverity, NetBSD CID#4


git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@17016 ec53bebd-3082-4978-b11e-865c3cabbd6b

lib/asn1/hash.c

@@ -53,17 +53,16 @@ hashtabnew(int sz,
     assert(sz > 0);
 
     htab = (Hashtab *) malloc(sizeof(Hashtab) + (sz - 1) * sizeof(Hashentry *));
+    if (htab == NULL)
+	return NULL;
+
     for (i = 0; i < sz; ++i)
 	htab->tab[i] = NULL;
 
-    if (htab == NULL) {
-	return NULL;
-    } else {
     htab->cmp = cmp;
     htab->hash = hash;
     htab->sz = sz;
     return htab;
-    }
 }
 
 /* Intern search function */