Mute error when detecting wget/curl

dev/common_install.sh

@@ -10,7 +10,7 @@ PROGRAM_BINARY=$PROGRAM".sh"
 PROGRAM_BATCH=$PROGRAM"-batch.sh"
 SSH_FILTER="ssh_filter.sh"
 
-SCRIPT_BUILD=2020042901
+SCRIPT_BUILD=2020112901
 INSTANCE_ID="installer-$SCRIPT_BUILD"
 
 ## osync / obackup / pmocr / zsnap install script
@@ -276,14 +276,14 @@ function CopyServiceFiles {
 }
 
 function Statistics {
-	if type wget > /dev/null; then
+	if type wget > /dev/null 2>&1; then
 		wget -qO- "$STATS_LINK" > /dev/null 2>&1
 		if [ $? == 0 ]; then
 			return 0
 		fi
 	fi
 
-	if type curl > /dev/null; then
+	if type curl > /dev/null 2>&1; then
 		curl "$STATS_LINK" -o /dev/null > /dev/null 2>&1
 		if [ $? == 0 ]; then
 			return 0