Use abs_path to resolve symbolic links and '..' in report table.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@60493 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/scan-build b/utils/scan-build
index 6de9987..3f03d3b 100755
--- a/utils/scan-build
+++ b/utils/scan-build
@@ -366,7 +366,7 @@
       ++$found;
     }
     elsif (/<!-- BUGFILE (.*) -->$/) {
-      $BugFile = $1;
+      $BugFile = abs_path($1);
       UpdatePrefix($BugFile);
       ++$found;
     }