exp/spdy: move http/spdy to exp/spdy

R=golang-dev, r
CC=golang-dev
https://golang.org/cl/5238051

src/pkg/Makefile

@@ -81,6 +81,7 @@ DIRS=\
 	exp/gui\
 	exp/gui/x11\
 	exp/norm\
+	exp/spdy\
 	exp/sql\
 	exp/sql/driver\
 	exp/template/html\
@@ -108,7 +109,6 @@ DIRS=\
 	http/fcgi\
 	http/pprof\
 	http/httptest\
-	http/spdy\
 	image\
 	image/bmp\
 	image/color\

src/pkg/http/spdy/Makefile → src/pkg/exp/spdy/Makefile

@@ -4,7 +4,7 @@
 
 include ../../../Make.inc
 
-TARG=http/spdy
+TARG=exp/spdy
 GOFILES=\
 	read.go\
 	types.go\