Jit: MethodTrace + Jit fix

Add checks for debug & trace mode to avoid re-entering Jit'd code.
This is the conversative solution - we'll eventually want the Jit
to integrate support for tracing and debug into Jit'd code.
diff --git a/vm/compiler/Compiler.h b/vm/compiler/Compiler.h
index 71eed5d..6b4d414 100644
--- a/vm/compiler/Compiler.h
+++ b/vm/compiler/Compiler.h
@@ -165,6 +165,7 @@
                               struct SSARepresentation *ssaRep);
 void dvmCompilerDataFlowAnalysisDispatcher(struct CompilationUnit *cUnit,
                 void (*func)(struct CompilationUnit *, struct BasicBlock *));
+void dvmCompilerStateRefresh(void);
 JitTraceDescription *dvmCopyTraceDescriptor(const u2 *pc);
 
 #endif /* _DALVIK_VM_COMPILER */