lnwallet: switch name of package logger to avoid module collision

lnwallet/log.go

@@ -11,7 +11,7 @@ import (
 // log is a logger that is initialized with no output filters.  This
 // means the package will not perform any logging by default until the caller
 // requests it.
-var log btclog.Logger
+var walletLog btclog.Logger
 
 // The default amount of logging is none.
 func init() {
@@ -21,14 +21,14 @@ func init() {
 // DisableLog disables all library log output.  Logging output is disabled
 // by default until either UseLogger or SetLogWriter are called.
 func DisableLog() {
-	log = btclog.Disabled
+	walletLog = btclog.Disabled
 }
 
 // UseLogger uses a specified Logger to output package logging info.
 // This should be used in preference to SetLogWriter if the caller is also
 // using btclog.
 func UseLogger(logger btclog.Logger) {
-	log = logger
+	walletLog = logger
 	btcwallet.UseLogger(logger)
 }