[Startup] Decrease the amount of blocks checked for corruption in the…

… startup.

100 blocks checked for corruption is too much, having only 10 is more than enough to verify the db consistency.

Github-Pull: #1217
Rebased-From: 6d5c84e

src/init.cpp

@@ -1603,7 +1603,7 @@ bool AppInit2()
                     }
 
                     // Zerocoin must check at level 4
-                    if (!CVerifyDB().VerifyDB(pcoinsdbview, 4, GetArg("-checkblocks", 100))) {
+                    if (!CVerifyDB().VerifyDB(pcoinsdbview, 4, GetArg("-checkblocks", 10))) {
                         strLoadError = _("Corrupted block database detected");
                         fVerifyingBlocks = false;
                         break;