runtime: revert 6974:1f3c3696babb
I missed that environment is used during runtime setup,
well before go init() functions run. Implemented os-dependent
runtime.goenvs functions to allow for different unix, plan9 and
windows versions of environment discovery.
R=rsc, paulzhol
CC=golang-dev
https://golang.org/cl/3787046
diff --git a/src/pkg/runtime/proc.c b/src/pkg/runtime/proc.c
index d469e7c..e9a19d9 100644
--- a/src/pkg/runtime/proc.c
+++ b/src/pkg/runtime/proc.c
@@ -111,6 +111,7 @@
runtime·mallocinit();
runtime·goargs();
+ runtime·goenvs();
// For debugging:
// Allocate internal symbol table representation now,
