Bugfixes walletclass #334

1. 
   sipa commented at 1:11 pm on June 20, 2011: member

   Some problems found by ius:

   • compiler complains with no return after critical section block
   • CKeyStore::GetPrivKey(key) was undefined for unknown key
   • missing return statement in GetChange()
2. Bugfixes walletclass

   Some problems found by ius:
   * compiler complains with no return after critical section block
   * CKeyStore::GetPrivKey(key) was undefined for unknown key
   * missing return statement in GetChange()

   98705aa51c
3. sipa referenced this in commit 1179257bfd on Jun 20, 2011
4. sipa merged this on Jun 20, 2011
5. sipa closed this on Jun 20, 2011

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6. gmaxwell referenced this in commit 186a517692 on Jan 19, 2015
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8. sipa referenced this in commit 6557a8cd46 on Oct 26, 2015
9. sipa referenced this in commit ea06490d14 on Oct 27, 2015
10. sipa referenced this in commit 003bb87153 on Nov 5, 2015
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13. sipa referenced this in commit 1d84107924 on Nov 12, 2015
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