[minor] Fix GOPATH to use local deps before system's

Makefile

@@ -36,7 +36,7 @@ GCC			:= gcc
 CFLAGS		:=
 LDFLAGS		:=
 GOOPTS		:=
-GO 			:= GOPATH=$(shell go env GOROOT)/bin:$(shell pwd) GOOS=$(OS) GOARCH=$(ARCH) go
+GO 			:= GOPATH=$(shell pwd):$(shell go env GOROOT)/bin GOOS=$(OS) GOARCH=$(ARCH) go
 GOGETTER	:= GOPATH=$(shell pwd) GOOS=$(OS) GOARCH=$(ARCH) go get -u
 GOLDFLAGS	:= -ldflags "-X main.version $(BUILDREV)"
 GOCFLAGS	:=