Rename bccCompileBC as bccPrepareExecutable. Reason: caching case doesn't perform
CompileBC.

Change-Id: I940c7402126d5f7a513f504fb8c92698dc53a9dd
diff --git a/lib/bcc/Compiler.cpp b/lib/bcc/Compiler.cpp
index e72950f..d3f67b6 100644
--- a/lib/bcc/Compiler.cpp
+++ b/lib/bcc/Compiler.cpp
@@ -347,7 +347,7 @@
 }
 
 
-// interace for bccCompileBC()
+// Deprecated: interface for bccCompileBC()
 int Compiler::compile() {
   llvm::TargetData *TD = NULL;