Fix indentation formatting for consistency

Co-authored-by: schollz <[email protected]>

Author: Copilot

src/install/default.txt

@@ -581,7 +581,7 @@ main() {
         croc_os="Linux"
         ;;
     "MINGW"* ) croc_os="Windows";
-               croc_dl_ext="zip";;
+                croc_dl_ext="zip";;
     "CYGWIN"* ) croc_os="Windows";
                 croc_dl_ext="zip";
                 print_message "== Cygwin is currently unsupported." "error";