Quotes extldflags in the Makefile

[mstergianis]

Summary

I was using multiple space separated LDFLAGS when building, for example

LDFLAGS="-Wl,-O1 -Wl,--sort-common" make build

which appears to correspond with recommendations from the go project

• in the golang link docs
• and this issue

Documentation

• Should this change be documented?
  • [x] No

Related

I didn't see an issue for this upon a cursory search.