SL-20730 Scrub nans from haze alpha

indra/newview/app_settings/shaders/class3/deferred/hazeF.glsl

@@ -102,6 +102,6 @@ void main()
         alpha = 1.0;
     }
 
-    frag_color.rgb = max(color.rgb, vec3(0)); //output linear since local lights will be added to this shader's results
-    frag_color.a = alpha;
+    frag_color = max(vec4(color.rgb, alpha), vec4(0)); //output linear since local lights will be added to this shader's results
+    
 }

indra/newview/app_settings/shaders/class3/deferred/waterHazeF.glsl

@@ -60,6 +60,6 @@ void main()
 
     vec4 fogged = getWaterFogView(pos.xyz);
 
-    frag_color.rgb = max(fogged.rgb, vec3(0)); //output linear since local lights will be added to this shader's results
-    frag_color.a = fogged.a;
+    frag_color = max(fogged, vec4(0)); //output linear since local lights will be added to this shader's results
+    
 }