[llvm-cov] Move some layout logic to the right spot (NFC)

llvm-svn: 281590
diff --git a/llvm/tools/llvm-cov/SourceCoverageView.cpp b/llvm/tools/llvm-cov/SourceCoverageView.cpp
index 8cf17f4..8b3ffe7 100644
--- a/llvm/tools/llvm-cov/SourceCoverageView.cpp
+++ b/llvm/tools/llvm-cov/SourceCoverageView.cpp
@@ -176,7 +176,8 @@
   if (ShowSourceName)
     renderSourceName(OS, WholeFile);
 
-  renderTableHeader(OS, getFirstUncoveredLineNo(), ViewDepth);
+  renderTableHeader(OS, (ViewDepth > 0) ? 0 : getFirstUncoveredLineNo(),
+                    ViewDepth);
 
   // We need the expansions and instantiations sorted so we can go through them
   // while we iterate lines.