[ELF] Fix typo in the expression calculates an absolute atom offset.

Patch reviewed by Shankar Easwaran.

llvm-svn: 194010
diff --git a/lld/lib/ReaderWriter/Native/ReaderNative.cpp b/lld/lib/ReaderWriter/Native/ReaderNative.cpp
index be80dc9..d839ba0 100644
--- a/lld/lib/ReaderWriter/Native/ReaderNative.cpp
+++ b/lld/lib/ReaderWriter/Native/ReaderNative.cpp
@@ -633,7 +633,7 @@
                                      - _sharedLibraryAtoms._elementCount;
       if ( abIndex < _absoluteAtoms._elementCount ) {
         const uint8_t* p = _absoluteAtoms._arrayStart
-                                  + slIndex * _absoluteAtoms._elementSize;
+                                  + abIndex * _absoluteAtoms._elementSize;
         this->_targetsTable[i] = reinterpret_cast<const AbsoluteAtom*>(p);
         continue;
       }