updater.sh - next attempt

... at fixing the script path detection. should hopefully fix https://github.com/ghacksuserjs/ghacks-user.js/issues/264#issuecomment-346891526

updater.sh

@@ -2,7 +2,7 @@
 
 ### ghacks-user.js updater for Mac/Linux
 ## author: @overdodactyl
-## version: 1.1
+## version: 1.2
 
 ghacksjs="https://raw.githubusercontent.com/ghacksuserjs/ghacks-user.js/master/user.js"
 
@@ -10,8 +10,8 @@ echo -e "\nThis script should be run from your Firefox profile directory.\n"
 
 currdir=$(pwd)
 
-## get the full path of this script (greadlink for Mac, readlink for Linux)
-scriptfullpath=$(greadlink -f "${BASH_SOURCE[0]}" 2>/dev/null || readlink -f "${BASH_SOURCE[0]}")
+## get the full path of this script (readlink for Linux)
+scriptfullpath=$(readlink -f "${BASH_SOURCE[0]}" 2>/dev/null || "${BASH_SOURCE[0]}")
 
 ## change directory to the Firefox profile directory
 cd "$(dirname "${scriptfullpath}")"