cmake: Use 7.1 for SONAME instead of 70

git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_70@353348 91177308-0d34-0410-b5e6-96231b3b80d8

Author: tstellar

cmake/modules/AddLLVM.cmake

@@ -501,7 +501,7 @@ function(llvm_add_library name)
 		# Concatenate the version numbers since ldconfig expects exactly
 		# one component indicating the ABI version, while LLVM uses
 		# major+minor for that.
-        SOVERSION ${LLVM_VERSION_MAJOR}${LLVM_VERSION_MINOR}
+        SOVERSION ${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}
         VERSION ${LLVM_VERSION_MAJOR}${LLVM_VERSION_MINOR}.${LLVM_VERSION_PATCH}${LLVM_VERSION_SUFFIX})
     endif()
   endif()