Fix handling of modifiers.

When retrieving modifiers, we're actually pulling them off the type
in reverse order. Consequently we need to build the type's modifier string
similarly.

If the first modifier is a const, prepend it to type name instead.

src/apps/debugger/dwarf/DwarfUtils.cpp

@@ -101,13 +101,13 @@ DwarfUtils::GetFullDIEName(const DebugInfoEntry* entry, BString& _name)
 					baseType)) != NULL && modifiedType->GetType() != NULL) {
 					switch (modifiedType->Tag()) {
 						case DW_TAG_pointer_type:
-							modifier += "*";
+							modifier.Prepend("*");
 							break;
 						case DW_TAG_reference_type:
-							modifier += "&";
+							modifier.Prepend("&");
 							break;
 						case DW_TAG_const_type:
-							modifier += " const ";
+							modifier.Prepend(" const ");
 							break;
 						default:
 							break;
@@ -119,13 +119,23 @@ DwarfUtils::GetFullDIEName(const DebugInfoEntry* entry, BString& _name)
 			}
 
 			GetFullyQualifiedDIEName(type, paramName);
-			parameters += paramName;
 			if (modifier.Length() > 0) {
 				if (modifier[modifier.Length() - 1] == ' ')
 					modifier.Truncate(modifier.Length() - 1);
-				parameters += modifier;
+
+				// if the modifier has a leading const, treat it
+				// as the degenerate case and prepend it to the
+				// type name since that's the more typically used
+				// representation in source
+				if (modifier[0] == ' ') {
+					paramName.Prepend("const ");
+					modifier.Remove(0, 7);
+				}
+				paramName += modifier;
 			}
 
+			parameters += paramName;
+
 			if (iterator.HasNext())
 				parameters += ", ";
 		}