Add functions to the ban list


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5450 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/DataStructure/BottomUpClosure.cpp b/lib/Analysis/DataStructure/BottomUpClosure.cpp
index d1c9626..ef3bf38 100644
--- a/lib/Analysis/DataStructure/BottomUpClosure.cpp
+++ b/lib/Analysis/DataStructure/BottomUpClosure.cpp
@@ -33,7 +33,8 @@
       GlobalValue &FI = cast<Function>(*Callees[i]);
       if (FI.getName() != "printf"  && FI.getName() != "sscanf" &&
           FI.getName() != "fprintf" && FI.getName() != "open" &&
-          FI.getName() != "sprintf" && FI.getName() != "fputs")
+          FI.getName() != "sprintf" && FI.getName() != "fputs" &&
+          FI.getName() != "fscanf")
         return false;  // External function found...
     }
   return true;  // otherwise ok