Always emit static mut for global variables

Author: lucic71

cpp2rust/converter/converter.cpp

@@ -385,16 +385,11 @@ bool Converter::ConvertVarDeclSkipInit(clang::VarDecl *decl) {
         !globals_.insert(name).second) {
       return false;
     }
-    StrCat(AccessSpecifierAsString(decl->getAccess()), keyword::kStatic);
-    if (!qual_type.isConstQualified()) {
-      StrCat(keyword_mut_);
-    }
+    StrCat(AccessSpecifierAsString(decl->getAccess()), keyword::kStatic,
+           keyword_mut_);
     ENSURE(decl_ids_.insert(GetID(decl)).second);
   } else if (decl->isStaticLocal()) {
-    StrCat(keyword::kStatic);
-    if (!qual_type.isConstQualified()) {
-      StrCat(keyword_mut_);
-    }
+    StrCat(keyword::kStatic, keyword_mut_);
   } else if (decl->isLocalVarDecl()) {
     StrCat(keyword::kLet);
   }