fix: check double db files

portproton-cmd

@@ -568,7 +568,7 @@ init_database () {
             orig_IFS="$IFS"
             IFS=$'\n'
             PP_FIND_DB_FILE="$(grep -ilw "#$PPDB.exe" "$PP_DB_DIR"/* )"
-            if [[ $(echo "$PW_FIND_DB_FILE" | wc -l) -gt 1 ]] ; then
+            if [[ $(echo "$PP_FIND_DB_FILE" | wc -l) -gt 1 ]] ; then
                 print_debug "Found more than one database file for $PPDB.exe"
                 PPDB_FILE="$(echo "$PP_FIND_DB_FILE" | head -n1)"
             else