change ignore file position

Delphi.gitignore

@@ -35,6 +35,7 @@
 *.dres
 *.rsm
 *.tds
+*.dcu
 
 # Delphi autogenerated files (duplicated info)
 *.cfg
@@ -50,4 +51,4 @@
 # Delphi history and backups
 __history/
 *.~*
-*.dcu
+