Fixes games that use the MMU to page in code(Rogue Leader).

The issue was that on memory exception we wouldn't call in to PPCAnalyst and our code_block would retain the previous blocks information.
This would cause us to compile the previous blocks instructions in prior to the exception exit.

Source/Core/Core/PowerPC/PPCAnalyst.h

@@ -124,6 +124,9 @@ struct CodeBlock
 
 	// Are we a broken block?
 	bool m_broken;
+
+	// Did we have a memory_exception?
+	bool m_memory_exception;
 };
 
 class PPCAnalyzer