Made member function pointer types explicit. This gets rid of a preprocessor...

Made member function pointer types explicit. This gets rid of a preprocessor conditional and sidesteps a bug in msvc.
7 jobs for BuildPythonWindows in 76 minutes and 33 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Test
passed #8425
Linux
clang-c++11

00:18:27

passed #8427
Linux
clang-c++98

00:16:55

passed #8430
Linux
cppcheck

00:00:31

passed #8424
Linux
gcc-c++11

00:04:29

passed #8426
Linux
gcc-c++98

00:04:03

passed #8428
Apple
macos-c++11

00:16:42

passed #8429
Apple
macos-c++98

00:15:24