Fix another typo

Author: grynspan

stdlib/public/runtime/SymbolInfo.cpp

@@ -39,7 +39,7 @@ const void *swift::SymbolInfo::getBaseAddress() const {
 #if defined(_WIN32) && !defined(__CYGWIN__)
   return reinterpret_cast<const void *>(_package.si.ModBase);
 #elif SWIFT_STDLIB_HAS_DLADDR
-  return _info.dli_faddr;
+  return _info.dli_fbase;
 #else
   return nullptr;
 #endif