remove bashism from gvmap.sh

diff --git a/cmd/gvmap/gvmap.sh b/cmd/gvmap/gvmap.sh
index 19fd4f449d6c657289dfa056af3119cf99b924b2..51cb82193d2ba4c65953b1beb1a0748278d07dae 100755 (executable)
--- a/cmd/gvmap/gvmap.sh
+++ b/cmd/gvmap/gvmap.sh
@@ -86,7 +86,7 @@ then
   fi
   $LAYOUT -Goverlap=prism $FLAGS1 | gvmap $FLAGS2 | neato -n2 $FLAGS3
 else
-  while (( $# > 0 ))
+  while $(( $# > 0 ))
   do
     if [ -f "$1" ]
     then