Small style cleanup

* Add whitespace to arithmetic expressions.
* Use boolean logic for semantically boolean variables.

Signed-off-by: Lukas Fleischer <archlinux@cryptocrack.de>

1 files changed, 1 insertions, 1 deletions

diff --git a/functions b/functions
index 24da795..833711b 100644
--- a/functions
+++ b/functions
@@ -662,7 +662,7 @@ need_root() {
 # Quit script if it's not running by root
 # This can be disabled in scripts sourcing functions by setting NEED_ROOT=0
 # A local call to need_root can be done to ensure part of script need root privilege
-(( ${NEED_ROOT:-0} == 1 )) && need_root
+(( NEED_ROOT )) && need_root
 
 # End of file
 # vim: set ts=2 sw=2 noet: