Fix the libbcc SHA1 checksum dependency

Calculate SHA1 checksum of libbcc.so and libRS.so at compile time.

Change-Id: Ief1c20e20d62f5d5bf0a62592e081d4a6d77dcd4
diff --git a/lib/ExecutionEngine/Sha1Helper.h b/lib/ExecutionEngine/Sha1Helper.h
index 5e98036..f53c0ce 100644
--- a/lib/ExecutionEngine/Sha1Helper.h
+++ b/lib/ExecutionEngine/Sha1Helper.h
@@ -22,13 +22,8 @@
 #include <stddef.h>
 
 namespace bcc {
-#if USE_LIBBCC_SHA1SUM
-  extern unsigned char sha1LibBCC[20];
-  extern char const *pathLibBCC;
-#endif
-
-  extern unsigned char sha1LibRS[20];
-  extern char const *pathLibRS;
+  extern unsigned char sha1LibBCC_SHA1[20];
+  extern char const *pathLibBCC_SHA1;
 
   void calcSHA1(unsigned char *result, char const *data, size_t size);