iscmd: supplement -x with -d test not a dir

src/filters/rclogg

@@ -11,6 +11,7 @@ progname="rclogg"
 filetype=ogg
 
 
+
 #RECFILTCOMMONCODE
 ##############################################################################
 # !! Leave the previous line unmodified!! Code imported from the
@@ -34,10 +35,10 @@ iscmd()
     cmd=$1
     case $cmd in
     */*)
-	if test -x $cmd ; then return 0; else return 1; fi ;;
+	if test -x $cmd -a ! -d $cmd ; then return 0; else return 1; fi ;;
     *)
       oldifs=$IFS; IFS=":"; set -- $PATH; IFS=$oldifs
-      for d in $*;do test -x $d/$cmd && return 0;done
+      for d in $*;do test -x $d/$cmd -a ! -d $d/$cmd && return 0;done
       return 1 ;;
     esac
 }
@@ -70,6 +71,9 @@ then
   senderror INPUTNOSUCHFILE "$infile"
 fi
 
+# protect access to our temp files and directories
+umask 77
+
 ##############################################################################
 # !! Leave the following line unmodified !
 #ENDRECFILTCOMMONCODE