contrib/dependency_setup: missing wabt dependency added for pacman

contrib/dependency_setup.sh

@@ -27,7 +27,7 @@ setup_apt() {
 }
 
 setup_pacman() {
-	pacman_deps="git make gcc pkgconf alsa-lib openssl sqlcipher"
+	pacman_deps="git make gcc pkgconf alsa-lib openssl sqlcipher wabt"
 	$1 -Sy $pacman_deps || return 1
 }