Remove trailing spaces

examples/text/resources/shaders/glsl100/alpha_discard.fs

@@ -13,8 +13,8 @@ uniform vec4 colDiffuse;
 void main()
 {
     vec4 texelColor = texture2D(texture0, fragTexCoord);
-    
+
     if (texelColor.a == 0.0) discard;
-    
+
     gl_FragColor = texelColor*fragColor*colDiffuse;
 }

examples/text/resources/shaders/glsl100/sdf.fs

@@ -19,7 +19,7 @@ void main()
     // NOTE: Calculate alpha using signed distance field (SDF)
     float distance = texture2D(texture0, fragTexCoord).a;
     float alpha = smoothstep(0.5 - smoothing, 0.5 + smoothing, distance);
-    
+
     // Calculate final fragment color
     gl_FragColor = vec4(fragColor.rgb, fragColor.a*alpha);
 }

examples/text/resources/shaders/glsl330/sdf.fs

@@ -20,7 +20,7 @@ void main()
     float distanceFromOutline = texture(texture0, fragTexCoord).a - 0.5;
     float distanceChangePerFragment = length(vec2(dFdx(distanceFromOutline), dFdy(distanceFromOutline)));
     float alpha = smoothstep(-distanceChangePerFragment, distanceChangePerFragment, distanceFromOutline);
-    
+
     // Calculate final fragment color
     finalColor = vec4(fragColor.rgb, fragColor.a*alpha);
 }