Add nop rendering technique to water and waterfall to stop crashes in fixed and arb mode when those are used.

This was SVN commit r12882.

binaries/data/mods/public/art/actors/structures/persians/gardens_struct.xml

@@ -31,11 +31,9 @@
         <prop actor="props/units/weapons/arrow_front.xml" attachpoint="loaded-projectile"/>
         <prop actor="props/units/weapons/arrow_front.xml" attachpoint="projectile"/>
       </props>
-
       <textures>
         <texture file="structural/pers_struct.dds" name="baseTex"/>
         <texture file="structural/ao/pers_gardens_ao.png" name="aoTex"/>
-
       </textures>
     </variant>
   </group>

binaries/data/mods/public/shaders/effects/model_water.xml

@@ -1,8 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <effect>
-
     <technique>
-     
         <require shaders="glsl"/>
         <sort_by_distance/>
         <pass shader="glsl/model_water">
@@ -15,7 +13,10 @@
             <depth func="less" mask="true"/>
         </pass>
     </technique>
-
-
-
+    <technique>
+        <require shaders="arb"/>
+    </technique>
+    <technique>
+        <require shaders="fixed"/>
+    </technique>
 </effect>

binaries/data/mods/public/shaders/effects/model_waterfall.xml

@@ -1,8 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <effect>
-
     <technique>
-     
         <require shaders="glsl"/>
         <sort_by_distance/>
         <pass shader="glsl/model_waterfall">
@@ -12,7 +10,10 @@
             <depth func="lequal" mask="true"/>
         </pass>
     </technique>
-
-
-
+    <technique>
+        <require shaders="arb"/>
+    </technique>
+    <technique>
+        <require shaders="fixed"/>
+    </technique>
 </effect>