Don't kde-projects-expand redundant module names.

These are usually stripped out later by the dependency analyzer but this
can't help the correctness of the code (e.g. with option handling, which
depends on there being only one right Module to apply options to).

modules/ksb/ModuleSet/KDEProjects.pm

@@ -193,11 +193,15 @@ sub convertToModules
     my ($self, $ctx) = @_;
 
     my @moduleList; # module names converted to ksb::Module objects.
+    my %foundModules;
 
     # Setup default options for each module
     # Extraction of relevant XML modules will be handled immediately after
     # this phase of execution.
     for my $moduleItem ($self->modulesToFind()) {
+        # We might have already grabbed the right module recursively.
+        next if exists $foundModules{$moduleItem};
+
         # eval in case the XML processor throws an exception.
         undef $@;
         my @candidateModules = eval {
@@ -209,6 +213,8 @@ sub convertToModules
             croak_runtime("The XML for the KDE Project database could not be understood: $@");
         }
 
+        my @moduleNames = map { $_->name() } @candidateModules;
+        @foundModules{@moduleNames} = (1) x @moduleNames;
         push @moduleList, @candidateModules;
     }