Remove trailing spaces

examples/shaders/resources/shaders/glsl120/posterization.fs

@@ -13,15 +13,15 @@ uniform vec4 colDiffuse;
 float gamma = 0.6;
 float numColors = 8.0;
 
-void main() 
-{ 
+void main()
+{
     vec3 color = texture2D(texture0, fragTexCoord.xy).rgb;
-    
+
     color = pow(color, vec3(gamma, gamma, gamma));
     color = color*numColors;
     color = floor(color);
     color = color/numColors;
     color = pow(color, vec3(1.0/gamma));
-    
+
     gl_FragColor = vec4(color, 1.0);
 }