Fixed ugly typo in __decrement function of Basehandle. Seems to be unused in the rest of the code.

6 jobs for master
Status Name Job ID Coverage
  Test
passed clang-c++11 #3141
Linux

00:21:32

passed clang-c++98 #3143
Linux

00:15:09

passed gcc-c++11 #3140
Linux

00:30:44

passed gcc-c++98 #3142
Linux

00:04:11

passed macos-c++11 #3144
Apple

00:15:55

passed macos-c++98 #3145
Apple

00:08:26