diff -rupr a/bin/autoscan.in b/bin/autoscan.in
--- a/bin/autoscan.in	2012-04-24 19:37:26.000000000 -0700
+++ b/bin/autoscan.in	2016-12-06 14:06:44.485368904 -0800
@@ -358,7 +358,7 @@ sub scan_sh_file ($)
     {
       # Strip out comments and variable references.
       s/#.*//;
-      s/\${[^\}]*}//g;
+      s/\$\{[^\}]*}//g;
       s/@[^@]*@//g;
 
       # Tokens in the code.