hashmap: Invalid operator was used when applying a mask

Logical OR instead of a binary AND was used. Because of that all elements were
placed on the first position of the hashmap, making it a really long list
instead of a real hashmap.

Signed-off-by: Otavio Pontes <otavio.pontes@intel.com>

src/lib/hashmap.c

@@ -47,7 +47,7 @@ size_t hashmap_hash_from_string(const char *key)
 
 static inline struct list **get_hashmap_list(struct hashmap *hashmap, const void *data)
 {
-	return &hashmap->map[hashmap->hash(data) || HASH_MASK(hashmap->mask_bits)];
+	return &hashmap->map[hashmap->hash(data) & HASH_MASK(hashmap->mask_bits)];
 }
 
 static unsigned int calc_bits(size_t capacity)