NewEphemeralMetaDB misses initializing meta

Lines 240 to 246 in 8a2eb34

    
           func NewEphemeralMetaDB() *EphemeralMetaDB { 
        
           	db := &EphemeralMetaDB{ 
        
           		refs:  make(map[uint64]int), 
        
           		blobs: make(map[string]DBBlob), 
        
           	} 
        
           	return db 
        
           }

This function needs to initialize this attribute:

us/renter/renterutil/metadb.go

Line 94 in 8a2eb34

meta map[string]string

	func NewEphemeralMetaDB() *EphemeralMetaDB {
	db := &EphemeralMetaDB{
	refs: make(map[uint64]int),
	blobs: make(map[string]DBBlob),
	}
	return db
	}