fix IPFS_DEBUG (was set after SetupLogging)

cmd/ipfs/ipfs.go

@@ -86,8 +86,6 @@ func ipfsCmd(c *commander.Command, args []string) error {
 }
 
 func main() {
-	u.Debug = u.GetenvBool("IPFS_DEBUG")
-
 	// if debugging, setup profiling.
 	if u.Debug {
 		ofi, err := os.Create("cpu.prof")

util/log.go

@@ -41,6 +41,7 @@ func SetupLogging() {
 		}
 	}
 
+	Debug = GetenvBool("IPFS_DEBUG")
 	if Debug {
 		lvl = logging.DEBUG
 	}