Fix example code in skpaint.md.

site/user/api/skpaint.md

 SkPaint
 =======
 
 *color, stroke, font, effects*
 
 -   [SkXfermode](#SkXfermode) - transfer modes
 -   [ShShader](#ShShader) - gradients and patterns
 -   [SkMaskFilter](#SkMaskFilter) - modifications to the alpha mask
 -   [SkColorFilter](#SkColorFilter) - modify the source color before applying the
 -   [SkPathEffect](#SkPathEffect) - modify to the geometry before it
@@ skipping 14 matching lines @@
 
 <!--?prettify lang=cc?-->
 
     void draw(SkCanvas* canvas) {
         canvas->clear(SK_ColorWHITE);
 
         SkPaint paint1, paint2, paint3;
 
         paint1.setTextSize(64.0f);
         paint1.setAntiAlias(true);
-        paint1.setColor(SkColorSetRGB(255, 0, 0);
+        paint1.setColor(SkColorSetRGB(255, 0, 0));
         paint1.setStyle(SkPaint::kFill_Style);
 
         paint2.setTextSize(64.f);
         paint2.setAntiAlias(true);
-        paint2.setColor(SkColorSetRGB(0, 136, 0);
+        paint2.setColor(SkColorSetRGB(0, 136, 0));
         paint2.setStyle(SkPaint::kStroke_Style);
         paint2.setStrokeWidth(SkIntToScalar(3));
 
         paint3.setTextSize(64.0f);
         paint3.setAntiAlias(true);
         paint3.setColor(SkColorSetRGB(136, 136, 136));
         paint3.setTextScaleX(SkFloatToScalar(1.5f));
 
         const char text[] = "Skia!";
         canvas->drawText(text, strlen(text), 20.0f, 64.0f,  paint1);
@@ skipping 637 matching lines @@
             paint.setStrokeWidth(2.0f);
             paint.setAntiAlias(true);
             canvas->clear(SK_ColorWHITE);
             SkPath path(star());
             canvas->drawPath(path, paint);
         }
 
     <a href='https://fiddle.skia.org/c/@skpaint_sum_path_effect'><img
       src='https://fiddle.skia.org/i/@skpaint_sum_path_effect_raster.png'></a>