Get rid of warnings when compiled with -Wformat-security

Change-Id: I7d66001ed1d73f116e9d112e021e6b2da22f4349
diff --git a/bcc.cpp b/bcc.cpp
index 38eafff..db8b343 100644
--- a/bcc.cpp
+++ b/bcc.cpp
@@ -373,7 +373,7 @@
   static void LLVMErrorHandler(void *UserData, const std::string &Message) {
     std::string* Error = static_cast<std::string*>(UserData);
     Error->assign(Message);
-    LOGE(Message.c_str());
+    LOGE("%s", Message.c_str());
     return;
     //fprintf(stderr, "%s\n", Message.c_str());
     //exit(1);