don't swig G_vasprintf()

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@35522 15284696-431f-4ddb-bdfa-cd5b030d7da7

include/gisdefs.h

@@ -108,7 +108,9 @@ void G_ascii_check(char *);
  *  the G_asprintf macro is disabled until a stable version of GDAL
  *  with a different function becomes widely used 
  */
+#ifndef SWIG
 int G_vasprintf(char **, const char *, va_list);
+#endif
 int G_asprintf(char **, const char *, ...)
     __attribute__ ((format(printf, 2, 3)));