fixed output of numeric output from expr().

tests/debug.jet

@@ -1,5 +0,0 @@
-#!../jet-2.0
-<jet name1="localname" filterblanklines="true" trimlines="true">
-<set name="result" expr="2 + 2 * 3 + 2" />
-$[result]=10
-</jet>

tests/testdb.jet

@@ -1,6 +1,6 @@
 #!../jet-2.0
 <jet cgi="true" name1="localname" filterblanklines="true" trimlines="true">
- <mysql host="localhost" database="barant" user="barant" password="uversa" sessionid="1">
+ <mysql host="barant.com" database="barant" user="barant" password="uversa" sessionid="1">
   <sql sessionid="1">select * from testdata</sql>
   <whilerow name="index" count="10" sessionid="1">
    $[1.id] $[1.text] $[1.value]

tests/testexpr.jet

@@ -23,4 +23,6 @@ $[result]=45
 $[result]=45
 <set name="result" expr="2 + 2 * 3 + 2" />
 $[result]=10
+<set name="result" expr="expr(2 + 2 * 3 + 2)" />
+$[result]=10
 </jet>