build: move $GOBIN ahead of /bin, /usr/bin in build $PATH
Otherwise if there is an installed /usr/bin/6g the build
will use that one instead of the one it builds.
R=r
CC=golang-dev
https://golang.org/cl/4249045
diff --git a/src/env.bash b/src/env.bash
index 4fc7628..c1055d5 100644
--- a/src/env.bash
+++ b/src/env.bash
@@ -29,7 +29,7 @@
fi
export OLDPATH=$PATH
-export PATH=/bin:/usr/bin:"$GOBIN":$PATH
+export PATH="$GOBIN":/bin:/usr/bin:$PATH
MAKE=make
if ! make --version 2>/dev/null | grep 'GNU Make' >/dev/null; then