/deskutils/abacus/

• ../
• Makefile
• distinfo
• files
• pkg-descr
• pkg-plist

- Drop workarounds for older math functions and reenable use of sinhl(3),
  coshl(3), and frexp(3) on FreeBSD versions that have them in libm
- Remove useless definite article from COMMENT line
- Install manual page with its section suffix (1) instead of "man"
- Unmute installation commands, sort pkg-plist, trim pkg-descr while here

PR:		203360
Submitted by:	pfg
Approved by:	maintainer timeout (since 2015-09-26)