main/m4: fix realpath test (!17362) · Merge requests · alpine / aports · GitLab

Kevin Daudt requested to merge kdaudt/aports:3.13/m4-fix-realpath-test into 3.13-stable Jan 23, 2021

realpath is not required to normalize // into /, but the test assumes so.

See #12295 (closed)
Fixes #12348 (closed)