Correct LoadWallet() return value (false -> DB_LOAD_OK)
Correct LoadWallet() return value (false -> DB_LOAD_OK)

Equivalent code. (false == 0 == DB_LOAD_OK). Fixes #1706.

jlay11/sharecoin,jlay11/sharecoin,ghostlander/Testcoin,ghostlander/Testcoin,ghostlander/Testcoin,jlay11/sharecoin,ghostlander/Testcoin,jlay11/sharecoin,jlay11/sharecoin,jlay11/sharecoin