Fix invocation of PythonType2LSL

Fixes #32. Thanks to @KrsityKu for the report and repro.

lslopt/lsldeadcode.py

@@ -463,7 +463,7 @@ class deadcode(object):
                     if value.nt == 'CONST':
                         value = value.value[fieldidx]
                         value = nr(nt='CONST', X=True, SEF=True,
-                            t=self.PythonType2LSL[type(value)], value=value)
+                            t=lslfuncs.PythonType2LSL[type(value)], value=value)
                         value = self.Cast(value, 'float')
                         SEF = True
                     else: # assumed VECTOR or ROTATION per OKtoRemoveSymbol

unit_tests/regression.suite/issue-32.lsl

@@ -0,0 +1,8 @@
+default
+{
+    timer()
+    {
+        vector v = <1,2,3>;
+        llOwnerSay((string)v.x);
+    }
+}

unit_tests/regression.suite/issue-32.out

@@ -0,0 +1,7 @@
+default
+{
+    timer()
+    {
+        llOwnerSay("1.000000");
+    }
+}