Fix Compiler::compile() return code.  Fix some uninitialized variable.
diff --git a/lib/bcc/Compiler.cpp b/lib/bcc/Compiler.cpp
index b0aaef0..e72950f 100644
--- a/lib/bcc/Compiler.cpp
+++ b/lib/bcc/Compiler.cpp
@@ -660,20 +660,12 @@
   if (TM)
     delete TM;
 
-#if 0
   if (mError.empty()) {
-    if (mUseCache && mCacheFd >= 0 && mCacheNew) {
-      genCacheFile();
-      //LOGI("DONE generating cache file");  //sliao
-      flock(mCacheFd, LOCK_UN);
-    }
-
-    return false;
+    return 0;
   }
-#endif
 
   // LOGE(getErrorMessage());
-  return true;
+  return 1;
 }