Fix syntax errors for %callback examples

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@9883 626c5289-ae23-0410-ae9c-e8d60b6d4f22

CHANGES

@@ -14771,10 +14771,10 @@ Version 1.3.7  (September 3, 2001)
            This creates a constant 'foo' of type int (*)(int,int).
            Alternatively, you can do this:
 
-               %callback("%s")
+               %callback("%s");
                int foo(int,int);
                int bar(int,int);
-               %nocallback
+               %nocallback;
 
            In this case, the functions are installed as constants where
            the name is defined by the format string given to %callback().
@@ -14782,10 +14782,10 @@ Version 1.3.7  (September 3, 2001)
            actual function name, both a function wrapper and a callback 
            constant are created.  For example:
 
-               %callback("%(upper)s")
+               %callback("%(upper)s");
                int foo(int,int);
                int bar(int,int);
-               %nocallback
+               %nocallback;
            
            Creates two wrapper functions 'foo', 'bar' and additionally
            creates two callback constants 'FOO', 'BAR'.

Doc/Manual/SWIG.html

@@ -1856,11 +1856,11 @@ can use the <tt>%callback</tt> and <tt>%nocallback</tt> directives like this:
 int binary_op(int a, int b, int (*op)(int,int));
 
 /* Some callback functions */
-%callback("%s_cb")
+%callback("%s_cb");
 int add(int,int);
 int sub(int,int);
 int mul(int,int);
-%nocallback
+%nocallback;
 </pre></div>
 
 <p>
@@ -1898,11 +1898,11 @@ variation installs the callbacks as all upper-case constants such as
 
 <div class="code"><pre>
 /* Some callback functions */
-%callback("%(upper)s")
+%callback("%(upper)s");
 int add(int,int);
 int sub(int,int);
 int mul(int,int);
-%nocallback
+%nocallback;
 </pre></div>
 
 <p>