WriteEmptyMakefile should produce the same target types as WriteMakefile

The target types created by WriteEmptyMakefile should match the ones
created by WriteMakefile. This would ensure that any munging of the file
to add rules could operate the same on each.

Author: haarg

lib/ExtUtils/MakeMaker.pm

@@ -864,27 +864,27 @@ sub WriteEmptyMakefile {
     }
     open my $mfh, '>', $new or die "open $new for write: $!";
     print $mfh <<'EOP';
-all :
+all ::
 
 manifypods :
 
-subdirs :
+subdirs ::
 
-dynamic :
+dynamic ::
 
-static :
+static ::
 
-clean :
+clean ::
 
-install :
+install ::
 
 makemakerdflt :
 
-test :
+test ::
 
-test_dynamic :
+test_dynamic ::
 
-test_static :
+test_static ::
 
 EOP
     close $mfh or die "close $new for write: $!";