Coding style fix, legal announcement.

No new function added and semantics changed.
diff --git a/bcc_runtime.h b/bcc_runtime.h
index 7604c7f..a28be9e 100644
--- a/bcc_runtime.h
+++ b/bcc_runtime.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2010, The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef _BCC_RUNTIME_H_
 #   define _BCC_RUNTIME_H_
 
@@ -5,7 +21,7 @@
 extern "C" {
 #endif
 
-void* FindRuntimeFunction(const char* Name);
+void *FindRuntimeFunction(const char *Name);
 void VerifyRuntimesTable();
 
 #ifdef __cplusplus