Add run-time hash check for libRS.so

Change-Id: I327215cdf74bc0e969c45efb0ff83c3fd0165f1d
diff --git a/lib/ExecutionEngine/Sha1Helper.h b/lib/ExecutionEngine/Sha1Helper.h
index 08e0cda..fe13b7a 100644
--- a/lib/ExecutionEngine/Sha1Helper.h
+++ b/lib/ExecutionEngine/Sha1Helper.h
@@ -25,6 +25,9 @@
   extern unsigned char sha1LibBCC_SHA1[20];
   extern char const *pathLibBCC_SHA1;
 
+  extern unsigned char sha1LibRS[20];
+  extern char const *pathLibRS;
+
   void calcSHA1(unsigned char *result, char const *data, size_t size);
 
   void calcFileSHA1(unsigned char *result, char const *filename);