include stdio.h for printf (merge from devbr6)

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@33392 15284696-431f-4ddb-bdfa-cd5b030d7da7

swig/python/NumPtr/src/test.c

@@ -1,3 +1,5 @@
+#include <stdio.h>
+
 void test1(double *a, int n)
 {
     int i;