Change example so it builds Foo_get() and Foo_set() wrappers. Use these

wrappers in the runme.php4.  Added wrapped method print_Foo() just to make
sure all is working.


git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@7462 626c5289-ae23-0410-ae9c-e8d60b6d4f22

SWIG/Examples/php4/simple/example.c

@@ -3,6 +3,10 @@
 /* A global variable */
 double Foo = 3.0;
 
+void print_Foo() {
+   printf("In C, Foo = %f\n",Foo);
+}
+
 /* Compute the greatest common divisor of positive integers */
 int gcd(int x, int y) {
   int g;