logic: Fixed single header files within indexed paths were not indexed (issue #513)

src/lib/utility/file/FileRegister.cpp

@@ -25,6 +25,8 @@ FileRegister::FileRegister(
 			if (!ret)
 			{
 				for (const FilePath& indexedPath: m_indexedPaths)
+				{
+					if (indexedPath.isDirectory())
 					{
 						if (indexedPath.contains(filePath))
 						{
@@ -32,6 +34,15 @@ FileRegister::FileRegister(
 							break;
 						}
 					}
+					else
+					{
+						if (indexedPath == filePath)
+						{
+							ret = true;
+							break;
+						}
+					}
+				}
 			}
 
 			if (ret)