Unpaired #endif

[Alexpux]

Here is unpaired #endif in header:
https://github.com/libtom/libtomcrypt/blob/develop/src/headers/tomcrypt_custom.h#L700

[friedrichsenm]

It looks like it might be paired with the #ifndef TOMCRYPT_CUSTOM_H_ right at the top of the file. Maybe there's a reason it's not at the bottom of the file?