Fix xdg-open wrapper

Author: VHSgunzo

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "sharun"
-version = "0.7.1"
+version = "0.7.2"
 readme = "README.md"
 license = "MIT"
 repository = "https://github.com/VHSgunzo/sharun"

lib4bin

@@ -63,15 +63,13 @@ problematic_vars="BABL_PATH GBM_BACKENDS_PATH GCONV_PATH GDK_PIXBUF_MODULEDIR \
 	QT_PLUGIN_PATH SPA_PLUGIN_DIR TCL_LIBRARY TK_LIBRARY XTABLES_LIBDIR"
 
 for var in $problematic_vars; do
-	eval checkvar="\$$var"
-	case "$checkvar" in
-		'')
-			continue
-			;;
+	eval "value=\"\$$var\""
+	case "$value" in
 		"$APPDIR"/*)
 			unset "$var"
-			>&2 echo "unset $var to prevent issues"
+			echo "unset $var to prevent issues" >&2
 			;;
+		*) continue ;;
 	esac
 done