SH-2031 Fix for bad vertex shader/fragment shader varying usage.

indra/newview/app_settings/shaders/class1/interface/solidcolorV.glsl

@@ -10,6 +10,7 @@
 void main()
 {
 	gl_Position = gl_ModelViewProjectionMatrix * gl_Vertex;
+	gl_FrontColor = gl_Color;
 	gl_TexCoord[0] = gl_MultiTexCoord0;
 }