require semi at the end of SkASSERT and friends

R=bungeman@google.com
TBR=reed@google.com
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2185063002

Review-Url: https://codereview.chromium.org/2185063002
diff --git a/src/core/SkLinearBitmapPipeline_sample.h b/src/core/SkLinearBitmapPipeline_sample.h
index 20057cc..78f46ff 100644
--- a/src/core/SkLinearBitmapPipeline_sample.h
+++ b/src/core/SkLinearBitmapPipeline_sample.h
@@ -445,7 +445,7 @@
 // on the interval [0, vMax].
 // Note: vMax is not width or height, but width-1 or height-1 because it is the largest valid pixel.
 static inline int adjust_edge(SkShader::TileMode edgeType, int vs, int vMax) {
-    SkASSERT(-1 <= vs && vs <= vMax + 1)
+    SkASSERT(-1 <= vs && vs <= vMax + 1);
     switch (edgeType) {
         case SkShader::kClamp_TileMode:
         case SkShader::kMirror_TileMode: