Minor code clean up

quickemu

@@ -1023,8 +1023,8 @@ function shortcut_create {
   local dirname="${HOME}/.local/share/applications"
   local filename="${HOME}/.local/share/applications/${VMNAME}.desktop"
 
-  if [ ! -d ${dirname} ]; then
+  if [ ! -d "${dirname}" ]; then
-    mkdir -p ${dirname}
+    mkdir -p "${dirname}"
   fi
   cat << EOF > "${filename}"
 [Desktop Entry]

quickget

@@ -1770,8 +1770,7 @@ create_vm() {
 
 trap cleanup EXIT
 
-if ((BASH_VERSINFO[0] < 4))
+if ((BASH_VERSINFO[0] < 4)); then
-then
     echo "Sorry, you need bash 4.0 or newer to run this script."
     exit 1
 fi