Add parentheses to silence clang warning

src/common/dwarf_cu_to_module.cc

Index: src/common/dwarf_cu_to_module.cc
diff --git a/src/common/dwarf_cu_to_module.cc b/src/common/dwarf_cu_to_module.cc
index 99a7bf30cce69bbe608869e1b1e088eb3fe532ea..479e39b221250bf37a84cbd8ecdbb652825757e6 100644
--- a/src/common/dwarf_cu_to_module.cc
+++ b/src/common/dwarf_cu_to_module.cc
@@ -417,7 +417,8 @@ string DwarfCUToModule::GenericDIEHandler::ComputeQualifiedName() {
 
   // If this DIE was marked as a declaration, record its names in the
   // specification table.
-  if (declaration_ && qualified_name || (unqualified_name && enclosing_name)) {
+  if ((declaration_ && qualified_name) ||
+      (unqualified_name && enclosing_name)) {
     Specification spec;
     if (qualified_name) {
       spec.qualified_name = *qualified_name;