I am not in a community property state. But, I bought the house w/o DH, but he gave me all the DP money and closing cost money. FHA just took a gift letter on their letter form and it was all good.
I bet they're just going to ask for a bank statement from her, not because it's a gift fund (it's not), but to source it. I wouldn't lose any sleep over it.
EDIT: My wife and I share a joint acct, and I'm applying alone in a com. property state; they never asked for her "solo" account, as we both direct deposit into the joint.