Make sure that any dash in the prefix before the version number is removed.

PR: 96

config

@@ -396,7 +396,7 @@ if [ "$GCCVER" != "" ]; then
   # then strip off whatever prefix Cygnus as well as GCC 3.1 prepends
   # the number with...  Hopefully, this will work for any future prefixes
   # as well.
-  GCCVER=`echo $GCCVER | sed 's/^[a-zA-Z ()]*\-//'`
+  GCCVER=`echo $GCCVER | sed 's/^[a-zA-Z ()---]*//'`
   # peak single digit before and after first dot, e.g. 2.95.1 gives 29
   GCCVER=`echo $GCCVER | sed 's/\([0-9]\)\.\([0-9]\).*/\1\2/'`
 else