Bump version number to 8.0.0svn

git-svn-id: https://llvm.org/svn/llvm-project/libunwind/trunk@338570 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/CMakeLists.txt b/CMakeLists.txt
index e460a72..381a275 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -80,7 +80,7 @@
   endif()
 
   set(PACKAGE_NAME libunwind)
-  set(PACKAGE_VERSION 7.0.0svn)
+  set(PACKAGE_VERSION 8.0.0svn)
   set(PACKAGE_STRING "${PACKAGE_NAME} ${PACKAGE_VERSION}")
   set(PACKAGE_BUGREPORT "llvm-bugs@lists.llvm.org")