devel/libinotify: convert to a system header
- Don't copy but instruct C preprocessor to use the base header
- Make sure warnings in the header are ignored like under /usr/include
This reverts commit 4d2e05dbb5a105e5b06709c52d3ced1ed2c2c7cd.
PR: 288342
Reviewed by: arrowd
Approved by: maintainer timeout (3 weeks)