Cleanup: Remove unnecessary double-semicolons.

experimental/PdfViewer/src/SkPdfRenderer.cpp

Index: experimental/PdfViewer/src/SkPdfRenderer.cpp
diff --git a/experimental/PdfViewer/src/SkPdfRenderer.cpp b/experimental/PdfViewer/src/SkPdfRenderer.cpp
index ead65039a64f5aa39f46473be5d79755f9a89053..6a9fd74aba343f30630ca57e3d4bd2b9050b1bbe 100644
--- a/experimental/PdfViewer/src/SkPdfRenderer.cpp
+++ b/experimental/PdfViewer/src/SkPdfRenderer.cpp
@@ -1069,7 +1069,7 @@ static SkPdfResult PdfOp_Tm(SkPdfContext* pdfContext, SkCanvas* canvas, SkPdfTok
                 "Text positioning not implemented for 2+ chars", NULL, pdfContext);
 
     pdfContext->fGraphicsState.fMatrixTm = matrix;
-    pdfContext->fGraphicsState.fMatrixTlm = matrix;;
+    pdfContext->fGraphicsState.fMatrixTlm = matrix;
 
     return kPartial_SkPdfResult;
 }