Fix SF bug #766288, property() example gives syntax error

Doc/lib/libfuncs.tex

@@ -747,7 +747,7 @@ class C(object):
     def getx(self): return self.__x
     def setx(self, value): self.__x = value
     def delx(self): del self.__x
-        x = property(getx, setx, delx, "I'm the 'x' property.")
+    x = property(getx, setx, delx, "I'm the 'x' property.")
 \end{verbatim}
 
   \versionadded{2.2}