install_easy : fix exit when su/sudo notfound

uninstall_easy.sh

@@ -15,14 +15,6 @@ whichq()
 	which $1 2>/dev/null
 }
 
-[ $(id -u) -ne "0" ] && {
-	echo root is required
-	exists sudo && exec sudo $0
-	exists su && exec su -c $0
-	echo su or sudo not found
-	exit 2
-}
-
 exitp()
 {
 	echo
@@ -31,6 +23,14 @@ exitp()
 	exit $1
 }
 
+[ $(id -u) -ne "0" ] && {
+	echo root is required
+	exists sudo && exec sudo $0
+	exists su && exec su -c $0
+	echo su or sudo not found
+	exitp 2
+}
+
 md5file()
 {
 	md5sum "$1" | cut -f1 -d ' '