[PATCH] Save r_wateralpha value to config.cfg

Even though it's not used in software Quake, it's probably still a good idea
to save it. Thanks to Stephen A.

diff -urN a/NQ/gl_rmain.c head/NQ/gl_rmain.c
--- a/NQ/gl_rmain.c	2005-12-30 22:52:49.000000000 +1030
+++ head/NQ/gl_rmain.c	2006-02-19 10:01:56.000000000 +1030
@@ -79,7 +79,7 @@
 cvar_t r_lightmap = { "r_lightmap", "0" };
 cvar_t r_shadows = { "r_shadows", "0" };
 cvar_t r_mirroralpha = { "r_mirroralpha", "1" };
-cvar_t r_wateralpha = { "r_wateralpha", "1" };
+cvar_t r_wateralpha = { "r_wateralpha", "1", true };
 cvar_t r_dynamic = { "r_dynamic", "1" };
 cvar_t r_novis = { "r_novis", "0" };
 cvar_t r_waterwarp = { "r_waterwarp", "1" };
diff -urN a/QW/client/gl_rmain.c head/QW/client/gl_rmain.c
--- a/QW/client/gl_rmain.c	2005-12-30 22:52:50.000000000 +1030
+++ head/QW/client/gl_rmain.c	2006-02-19 10:02:11.000000000 +1030
@@ -83,7 +83,7 @@
 cvar_t r_lightmap = { "r_lightmap", "0" };
 cvar_t r_shadows = { "r_shadows", "0" };
 cvar_t r_mirroralpha = { "r_mirroralpha", "1" };
-cvar_t r_wateralpha = { "r_wateralpha", "1" };
+cvar_t r_wateralpha = { "r_wateralpha", "1", true };
 cvar_t r_dynamic = { "r_dynamic", "1" };
 cvar_t r_novis = { "r_novis", "0" };
 cvar_t r_netgraph = { "r_netgraph", "0" };