Don't store reports when scan-build's build command matches /autogen/ (same as configure).

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@128723 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/scan-build/scan-build b/tools/scan-build/scan-build
index f7e521f..9ba94d1 100755
--- a/tools/scan-build/scan-build
+++ b/tools/scan-build/scan-build
@@ -201,8 +201,8 @@
   die "No build command." if (scalar(@$Args) == 0);
   
   my $Cmd = $$Args[0];
-  
-  if ($Cmd =~ /configure/) {
+
+  if ($Cmd =~ /configure/ || $Cmd =~ /autogen/) {
     return;
   }