Updating shaders to not crash when compiled in llvm

indra/newview/app_settings/shaders/class1/lighting/lightFullbrightWaterAlphaMaskF.glsl

@@ -31,7 +31,7 @@ out vec4 frag_color;
 
 uniform float minimum_alpha;
 
-vec4 diffuseLookup(vec2 texcoord);
+/* vec4 diffuseLookup(vec2 texcoord); */
 
 vec3 fullbrightAtmosTransport(vec3 light);
 vec4 applyWaterFog(vec4 color);

indra/newview/app_settings/shaders/class1/lighting/lightFullbrightWaterF.glsl

@@ -32,7 +32,7 @@ out vec4 frag_color;
 VARYING vec4 vertex_color;
 VARYING vec2 vary_texcoord0;
 
-vec4 diffuseLookup(vec2 texcoord);
+/* vec4 diffuseLookup(vec2 texcoord); */
 
 vec3 fullbrightAtmosTransport(vec3 light);
 vec4 applyWaterFog(vec4 color);