kde-projects: Fixup to my last fixup, fallback to using name.

Really I should probably factor out the various 'proj'-creating routines
into a single point of awesome but for now let's just use the old
behavior as a backup in case users give command-line modules...

kdesrc-build

@@ -873,8 +873,8 @@ sub expandXMLModules
         # it in by setting a flag to be used by the higher-level subroutine.
         $repositoryMetadataRequired = 1;
 
-        my $name = $moduleSet->getOption('#xml-search-path') or
-            croak_internal("Somehow tried to read XML data for non-XML module");
+        my $name = $moduleSet->getOption('#xml-search-path') ||
+                   $moduleSet->name(); # Best-guess fallback
         my $srcdir = $ctx->getSourceDir();
 
         my $xmlReader = ksb::KDEXMLReader->new($databaseFile);