--- configure.in.orig	2005-04-15 18:32:04.295714464 -0600
+++ configure.in	2005-04-15 18:32:20.154303592 -0600
@@ -214,7 +214,7 @@
 [  --enable-modplug           enable MOD decoding via modplug [default=yes]],
               , enable_modplug=yes)
 if test x$enable_modplug = xyes; then
-  AC_CHECK_HEADER(modplug.h, have_modplug_hdr=yes)
+  AC_CHECK_HEADER(libmodplug/modplug.h, have_modplug_hdr=yes)
   AC_CHECK_LIB(modplug, ModPlug_Load, have_modplug_lib=yes)
   if test x$have_modplug_hdr = xyes -a x$have_modplug_lib = xyes; then
     LIBS="$LIBS -lmodplug"